Home / 776,159.40-1,071,098.40-436,627.92

Finding the Fourth Proportional to 776,159.40, 1,071,098.40 and 436,627.92

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Solution

The fourth proportional to 776,159.40, 1,071,098.40 and 436,627.92 is: 602,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,159.40 : 1,071,098.40 = 436,627.92 : x
  2. Step 2: Convert to fraction form
    776,159.40/1,071,098.40 = 436,627.92/x
  3. Step 3: Cross multiply
    776,159.40x = 1,071,098.40 × 436,627.92
  4. Step 4: Simplify right side
    776,159.40x = 467,671,466,507.33
  5. Step 5: Solve for x
    x = 467,671,466,507.33/776,159.40
  6. Step 6: Final answer
    x = 602,545.65

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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.