Home / 1,200,895.92-1,656,925.20-717,248.16

Finding the Fourth Proportional to 1,200,895.92, 1,656,925.20 and 717,248.16

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Solution

The fourth proportional to 1,200,895.92, 1,656,925.20 and 717,248.16 is: 989,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,895.92 : 1,656,925.20 = 717,248.16 : x
  2. Step 2: Convert to fraction form
    1,200,895.92/1,656,925.20 = 717,248.16/x
  3. Step 3: Cross multiply
    1,200,895.92x = 1,656,925.20 × 717,248.16
  4. Step 4: Simplify right side
    1,200,895.92x = 1,188,426,550,957.63
  5. Step 5: Solve for x
    x = 1,188,426,550,957.63/1,200,895.92
  6. Step 6: Final answer
    x = 989,616.61

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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.