Home / 650,123.24-896,809.02-378,160.52

Finding the Fourth Proportional to 650,123.24, 896,809.02 and 378,160.52

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Solution

The fourth proportional to 650,123.24, 896,809.02 and 378,160.52 is: 521,651.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,123.24 : 896,809.02 = 378,160.52 : x
  2. Step 2: Convert to fraction form
    650,123.24/896,809.02 = 378,160.52/x
  3. Step 3: Cross multiply
    650,123.24x = 896,809.02 × 378,160.52
  4. Step 4: Simplify right side
    650,123.24x = 339,137,765,343.89
  5. Step 5: Solve for x
    x = 339,137,765,343.89/650,123.24
  6. Step 6: Final answer
    x = 521,651.50

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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.