Home / 922,641.18-1,273,215.96-540,922.20

Finding the Fourth Proportional to 922,641.18, 1,273,215.96 and 540,922.20

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Solution

The fourth proportional to 922,641.18, 1,273,215.96 and 540,922.20 is: 746,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,641.18 : 1,273,215.96 = 540,922.20 : x
  2. Step 2: Convert to fraction form
    922,641.18/1,273,215.96 = 540,922.20/x
  3. Step 3: Cross multiply
    922,641.18x = 1,273,215.96 × 540,922.20
  4. Step 4: Simplify right side
    922,641.18x = 688,710,778,158.31
  5. Step 5: Solve for x
    x = 688,710,778,158.31/922,641.18
  6. Step 6: Final answer
    x = 746,455.71

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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.