Home / 417,127.50-576,111.15-282,758.22

Finding the Fourth Proportional to 417,127.50, 576,111.15 and 282,758.22

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Solution

The fourth proportional to 417,127.50, 576,111.15 and 282,758.22 is: 390,528.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,127.50 : 576,111.15 = 282,758.22 : x
  2. Step 2: Convert to fraction form
    417,127.50/576,111.15 = 282,758.22/x
  3. Step 3: Cross multiply
    417,127.50x = 576,111.15 × 282,758.22
  4. Step 4: Simplify right side
    417,127.50x = 162,900,163,296.15
  5. Step 5: Solve for x
    x = 162,900,163,296.15/417,127.50
  6. Step 6: Final answer
    x = 390,528.47

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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.