Home / 570,319.97-787,124.45-328,555.49

Finding the Fourth Proportional to 570,319.97, 787,124.45 and 328,555.49

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Solution

The fourth proportional to 570,319.97, 787,124.45 and 328,555.49 is: 453,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,319.97 : 787,124.45 = 328,555.49 : x
  2. Step 2: Convert to fraction form
    570,319.97/787,124.45 = 328,555.49/x
  3. Step 3: Cross multiply
    570,319.97x = 787,124.45 × 328,555.49
  4. Step 4: Simplify right side
    570,319.97x = 258,614,056,246.50
  5. Step 5: Solve for x
    x = 258,614,056,246.50/570,319.97
  6. Step 6: Final answer
    x = 453,454.33

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1.5x scale

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.