Home / 882,382.75-1,217,688.18-500,409.52

Finding the Fourth Proportional to 882,382.75, 1,217,688.18 and 500,409.52

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Solution

The fourth proportional to 882,382.75, 1,217,688.18 and 500,409.52 is: 690,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,382.75 : 1,217,688.18 = 500,409.52 : x
  2. Step 2: Convert to fraction form
    882,382.75/1,217,688.18 = 500,409.52/x
  3. Step 3: Cross multiply
    882,382.75x = 1,217,688.18 × 500,409.52
  4. Step 4: Simplify right side
    882,382.75x = 609,342,757,663.47
  5. Step 5: Solve for x
    x = 609,342,757,663.47/882,382.75
  6. Step 6: Final answer
    x = 690,565.13

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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.