Home / 787,732.92-1,087,065.90-430,036.92

Finding the Fourth Proportional to 787,732.92, 1,087,065.90 and 430,036.92

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Solution

The fourth proportional to 787,732.92, 1,087,065.90 and 430,036.92 is: 593,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,732.92 : 1,087,065.90 = 430,036.92 : x
  2. Step 2: Convert to fraction form
    787,732.92/1,087,065.90 = 430,036.92/x
  3. Step 3: Cross multiply
    787,732.92x = 1,087,065.90 × 430,036.92
  4. Step 4: Simplify right side
    787,732.92x = 467,478,471,473.03
  5. Step 5: Solve for x
    x = 467,478,471,473.03/787,732.92
  6. Step 6: Final answer
    x = 593,447.93

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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.