Home / 938,641.95-1,295,318.07-530,823.86

Finding the Fourth Proportional to 938,641.95, 1,295,318.07 and 530,823.86

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Solution

The fourth proportional to 938,641.95, 1,295,318.07 and 530,823.86 is: 732,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,641.95 : 1,295,318.07 = 530,823.86 : x
  2. Step 2: Convert to fraction form
    938,641.95/1,295,318.07 = 530,823.86/x
  3. Step 3: Cross multiply
    938,641.95x = 1,295,318.07 × 530,823.86
  4. Step 4: Simplify right side
    938,641.95x = 687,585,731,836.48
  5. Step 5: Solve for x
    x = 687,585,731,836.48/938,641.95
  6. Step 6: Final answer
    x = 732,532.50

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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.