Home / 748,780.65-1,034,169.65-503,339.24

Finding the Fourth Proportional to 748,780.65, 1,034,169.65 and 503,339.24

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Solution

The fourth proportional to 748,780.65, 1,034,169.65 and 503,339.24 is: 695,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,780.65 : 1,034,169.65 = 503,339.24 : x
  2. Step 2: Convert to fraction form
    748,780.65/1,034,169.65 = 503,339.24/x
  3. Step 3: Cross multiply
    748,780.65x = 1,034,169.65 × 503,339.24
  4. Step 4: Simplify right side
    748,780.65x = 520,538,157,974.52
  5. Step 5: Solve for x
    x = 520,538,157,974.52/748,780.65
  6. Step 6: Final answer
    x = 695,181.10

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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.