Home / 1,170,021.13-1,755,031.69-283,557.13

Finding the Fourth Proportional to 1,170,021.13, 1,755,031.69 and 283,557.13

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Solution

The fourth proportional to 1,170,021.13, 1,755,031.69 and 283,557.13 is: 425,335.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,021.13 : 1,755,031.69 = 283,557.13 : x
  2. Step 2: Convert to fraction form
    1,170,021.13/1,755,031.69 = 283,557.13/x
  3. Step 3: Cross multiply
    1,170,021.13x = 1,755,031.69 × 283,557.13
  4. Step 4: Simplify right side
    1,170,021.13x = 497,651,749,075.45
  5. Step 5: Solve for x
    x = 497,651,749,075.45/1,170,021.13
  6. Step 6: Final answer
    x = 425,335.69

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.