Home / 1,111,133.80-1,666,700.70-363,255.40

Finding the Fourth Proportional to 1,111,133.80, 1,666,700.70 and 363,255.40

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Solution

The fourth proportional to 1,111,133.80, 1,666,700.70 and 363,255.40 is: 544,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,133.80 : 1,666,700.70 = 363,255.40 : x
  2. Step 2: Convert to fraction form
    1,111,133.80/1,666,700.70 = 363,255.40/x
  3. Step 3: Cross multiply
    1,111,133.80x = 1,666,700.70 × 363,255.40
  4. Step 4: Simplify right side
    1,111,133.80x = 605,438,029,458.78
  5. Step 5: Solve for x
    x = 605,438,029,458.78/1,111,133.80
  6. Step 6: Final answer
    x = 544,883.10

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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.