Home / 817,452.41-1,127,445.25-531,064.77

Finding the Fourth Proportional to 817,452.41, 1,127,445.25 and 531,064.77

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Solution

The fourth proportional to 817,452.41, 1,127,445.25 and 531,064.77 is: 732,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,452.41 : 1,127,445.25 = 531,064.77 : x
  2. Step 2: Convert to fraction form
    817,452.41/1,127,445.25 = 531,064.77/x
  3. Step 3: Cross multiply
    817,452.41x = 1,127,445.25 × 531,064.77
  4. Step 4: Simplify right side
    817,452.41x = 598,746,452,378.84
  5. Step 5: Solve for x
    x = 598,746,452,378.84/817,452.41
  6. Step 6: Final answer
    x = 732,454.20

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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.