Home / 487,026.36-672,127.56-272,167.32

Finding the Fourth Proportional to 487,026.36, 672,127.56 and 272,167.32

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Solution

The fourth proportional to 487,026.36, 672,127.56 and 272,167.32 is: 375,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,026.36 : 672,127.56 = 272,167.32 : x
  2. Step 2: Convert to fraction form
    487,026.36/672,127.56 = 272,167.32/x
  3. Step 3: Cross multiply
    487,026.36x = 672,127.56 × 272,167.32
  4. Step 4: Simplify right side
    487,026.36x = 182,931,156,703.34
  5. Step 5: Solve for x
    x = 182,931,156,703.34/487,026.36
  6. Step 6: Final answer
    x = 375,608.33

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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.