Home / 657,068.52-906,583.20-384,990.23

Finding the Fourth Proportional to 657,068.52, 906,583.20 and 384,990.23

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Solution

The fourth proportional to 657,068.52, 906,583.20 and 384,990.23 is: 531,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,068.52 : 906,583.20 = 384,990.23 : x
  2. Step 2: Convert to fraction form
    657,068.52/906,583.20 = 384,990.23/x
  3. Step 3: Cross multiply
    657,068.52x = 906,583.20 × 384,990.23
  4. Step 4: Simplify right side
    657,068.52x = 349,025,668,224.27
  5. Step 5: Solve for x
    x = 349,025,668,224.27/657,068.52
  6. Step 6: Final answer
    x = 531,186.11

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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.