Home / 763,587.61-1,053,722.03-424,077.73

Finding the Fourth Proportional to 763,587.61, 1,053,722.03 and 424,077.73

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Solution

The fourth proportional to 763,587.61, 1,053,722.03 and 424,077.73 is: 585,211.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,587.61 : 1,053,722.03 = 424,077.73 : x
  2. Step 2: Convert to fraction form
    763,587.61/1,053,722.03 = 424,077.73/x
  3. Step 3: Cross multiply
    763,587.61x = 1,053,722.03 × 424,077.73
  4. Step 4: Simplify right side
    763,587.61x = 446,860,046,533.39
  5. Step 5: Solve for x
    x = 446,860,046,533.39/763,587.61
  6. Step 6: Final answer
    x = 585,211.23

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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.