Home / 645,862.58-968,596.83-519,202.47

Finding the Fourth Proportional to 645,862.58, 968,596.83 and 519,202.47

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Solution

The fourth proportional to 645,862.58, 968,596.83 and 519,202.47 is: 778,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,862.58 : 968,596.83 = 519,202.47 : x
  2. Step 2: Convert to fraction form
    645,862.58/968,596.83 = 519,202.47/x
  3. Step 3: Cross multiply
    645,862.58x = 968,596.83 × 519,202.47
  4. Step 4: Simplify right side
    645,862.58x = 502,897,866,570.17
  5. Step 5: Solve for x
    x = 502,897,866,570.17/645,862.58
  6. Step 6: Final answer
    x = 778,645.31

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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.