Home / 653,430.20-901,737.28-363,042.16

Finding the Fourth Proportional to 653,430.20, 901,737.28 and 363,042.16

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Solution

The fourth proportional to 653,430.20, 901,737.28 and 363,042.16 is: 501,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,430.20 : 901,737.28 = 363,042.16 : x
  2. Step 2: Convert to fraction form
    653,430.20/901,737.28 = 363,042.16/x
  3. Step 3: Cross multiply
    653,430.20x = 901,737.28 × 363,042.16
  4. Step 4: Simplify right side
    653,430.20x = 327,368,646,041.07
  5. Step 5: Solve for x
    x = 327,368,646,041.07/653,430.20
  6. Step 6: Final answer
    x = 501,000.18

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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.