Home / 859,397.25-1,186,077.56-519,867.93

Finding the Fourth Proportional to 859,397.25, 1,186,077.56 and 519,867.93

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Solution

The fourth proportional to 859,397.25, 1,186,077.56 and 519,867.93 is: 717,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,397.25 : 1,186,077.56 = 519,867.93 : x
  2. Step 2: Convert to fraction form
    859,397.25/1,186,077.56 = 519,867.93/x
  3. Step 3: Cross multiply
    859,397.25x = 1,186,077.56 × 519,867.93
  4. Step 4: Simplify right side
    859,397.25x = 616,603,683,337.31
  5. Step 5: Solve for x
    x = 616,603,683,337.31/859,397.25
  6. Step 6: Final answer
    x = 717,483.89

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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.