Home / 487,026.30-672,094.35-272,166.30

Finding the Fourth Proportional to 487,026.30, 672,094.35 and 272,166.30

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Solution

The fourth proportional to 487,026.30, 672,094.35 and 272,166.30 is: 375,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,026.30 : 672,094.35 = 272,166.30 : x
  2. Step 2: Convert to fraction form
    487,026.30/672,094.35 = 272,166.30/x
  3. Step 3: Cross multiply
    487,026.30x = 672,094.35 × 272,166.30
  4. Step 4: Simplify right side
    487,026.30x = 182,921,432,490.41
  5. Step 5: Solve for x
    x = 182,921,432,490.41/487,026.30
  6. Step 6: Final answer
    x = 375,588.41

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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.