Home / 1,228,333.92-1,695,153.15-684,470.40

Finding the Fourth Proportional to 1,228,333.92, 1,695,153.15 and 684,470.40

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Solution

The fourth proportional to 1,228,333.92, 1,695,153.15 and 684,470.40 is: 944,598.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,333.92 : 1,695,153.15 = 684,470.40 : x
  2. Step 2: Convert to fraction form
    1,228,333.92/1,695,153.15 = 684,470.40/x
  3. Step 3: Cross multiply
    1,228,333.92x = 1,695,153.15 × 684,470.40
  4. Step 4: Simplify right side
    1,228,333.92x = 1,160,282,154,641.76
  5. Step 5: Solve for x
    x = 1,160,282,154,641.76/1,228,333.92
  6. Step 6: Final answer
    x = 944,598.32

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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.