Home / 472,970.02-652,712.38-258,123.90

Finding the Fourth Proportional to 472,970.02, 652,712.38 and 258,123.90

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Solution

The fourth proportional to 472,970.02, 652,712.38 and 258,123.90 is: 356,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,970.02 : 652,712.38 = 258,123.90 : x
  2. Step 2: Convert to fraction form
    472,970.02/652,712.38 = 258,123.90/x
  3. Step 3: Cross multiply
    472,970.02x = 652,712.38 × 258,123.90
  4. Step 4: Simplify right side
    472,970.02x = 168,480,665,103.88
  5. Step 5: Solve for x
    x = 168,480,665,103.88/472,970.02
  6. Step 6: Final answer
    x = 356,218.49

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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.