Home / 7,025,354.50-9,691,437.54-4,702,345.78

Finding the Fourth Proportional to 7,025,354.50, 9,691,437.54 and 4,702,345.78

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Solution

The fourth proportional to 7,025,354.50, 9,691,437.54 and 4,702,345.78 is: 6,486,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025,354.50 : 9,691,437.54 = 4,702,345.78 : x
  2. Step 2: Convert to fraction form
    7,025,354.50/9,691,437.54 = 4,702,345.78/x
  3. Step 3: Cross multiply
    7,025,354.50x = 9,691,437.54 × 4,702,345.78
  4. Step 4: Simplify right side
    7,025,354.50x = 45,572,490,418,352.58
  5. Step 5: Solve for x
    x = 45,572,490,418,352.58/7,025,354.50
  6. Step 6: Final answer
    x = 6,486,859.90

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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.