Home / 901,193.60-1,243,622.51-514,000.28

Finding the Fourth Proportional to 901,193.60, 1,243,622.51 and 514,000.28

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Solution

The fourth proportional to 901,193.60, 1,243,622.51 and 514,000.28 is: 709,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,193.60 : 1,243,622.51 = 514,000.28 : x
  2. Step 2: Convert to fraction form
    901,193.60/1,243,622.51 = 514,000.28/x
  3. Step 3: Cross multiply
    901,193.60x = 1,243,622.51 × 514,000.28
  4. Step 4: Simplify right side
    901,193.60x = 639,222,323,712.11
  5. Step 5: Solve for x
    x = 639,222,323,712.11/901,193.60
  6. Step 6: Final answer
    x = 709,306.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.