Home / 922,973.60-1,273,702.32-520,565.60

Finding the Fourth Proportional to 922,973.60, 1,273,702.32 and 520,565.60

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Solution

The fourth proportional to 922,973.60, 1,273,702.32 and 520,565.60 is: 718,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,973.60 : 1,273,702.32 = 520,565.60 : x
  2. Step 2: Convert to fraction form
    922,973.60/1,273,702.32 = 520,565.60/x
  3. Step 3: Cross multiply
    922,973.60x = 1,273,702.32 × 520,565.60
  4. Step 4: Simplify right side
    922,973.60x = 663,045,612,432.19
  5. Step 5: Solve for x
    x = 663,045,612,432.19/922,973.60
  6. Step 6: Final answer
    x = 718,379.82

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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.