Home / 651,508.39-899,114.76-375,763.70

Finding the Fourth Proportional to 651,508.39, 899,114.76 and 375,763.70

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Solution

The fourth proportional to 651,508.39, 899,114.76 and 375,763.70 is: 518,573.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,508.39 : 899,114.76 = 375,763.70 : x
  2. Step 2: Convert to fraction form
    651,508.39/899,114.76 = 375,763.70/x
  3. Step 3: Cross multiply
    651,508.39x = 899,114.76 × 375,763.70
  4. Step 4: Simplify right side
    651,508.39x = 337,854,688,942.21
  5. Step 5: Solve for x
    x = 337,854,688,942.21/651,508.39
  6. Step 6: Final answer
    x = 518,573.04

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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.