Home / 916,393.16-1,374,788.46-383,639.96

Finding the Fourth Proportional to 916,393.16, 1,374,788.46 and 383,639.96

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Solution

The fourth proportional to 916,393.16, 1,374,788.46 and 383,639.96 is: 575,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,393.16 : 1,374,788.46 = 383,639.96 : x
  2. Step 2: Convert to fraction form
    916,393.16/1,374,788.46 = 383,639.96/x
  3. Step 3: Cross multiply
    916,393.16x = 1,374,788.46 × 383,639.96
  4. Step 4: Simplify right side
    916,393.16x = 527,423,789,802.86
  5. Step 5: Solve for x
    x = 527,423,789,802.86/916,393.16
  6. Step 6: Final answer
    x = 575,543.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.