Home / 1,092,122.51-1,638,073.05-293,300.28

Finding the Fourth Proportional to 1,092,122.51, 1,638,073.05 and 293,300.28

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Solution

The fourth proportional to 1,092,122.51, 1,638,073.05 and 293,300.28 is: 439,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,122.51 : 1,638,073.05 = 293,300.28 : x
  2. Step 2: Convert to fraction form
    1,092,122.51/1,638,073.05 = 293,300.28/x
  3. Step 3: Cross multiply
    1,092,122.51x = 1,638,073.05 × 293,300.28
  4. Step 4: Simplify right side
    1,092,122.51x = 480,447,284,225.45
  5. Step 5: Solve for x
    x = 480,447,284,225.45/1,092,122.51
  6. Step 6: Final answer
    x = 439,920.69

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Double scale
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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.