Home / 516,279.02-712,567.06-329,891.34

Finding the Fourth Proportional to 516,279.02, 712,567.06 and 329,891.34

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Solution

The fourth proportional to 516,279.02, 712,567.06 and 329,891.34 is: 455,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,279.02 : 712,567.06 = 329,891.34 : x
  2. Step 2: Convert to fraction form
    516,279.02/712,567.06 = 329,891.34/x
  3. Step 3: Cross multiply
    516,279.02x = 712,567.06 × 329,891.34
  4. Step 4: Simplify right side
    516,279.02x = 235,069,702,263.26
  5. Step 5: Solve for x
    x = 235,069,702,263.26/516,279.02
  6. Step 6: Final answer
    x = 455,315.23

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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.