Home / 747,016.40-1,030,875.72-460,421.84

Finding the Fourth Proportional to 747,016.40, 1,030,875.72 and 460,421.84

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Solution

The fourth proportional to 747,016.40, 1,030,875.72 and 460,421.84 is: 635,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,016.40 : 1,030,875.72 = 460,421.84 : x
  2. Step 2: Convert to fraction form
    747,016.40/1,030,875.72 = 460,421.84/x
  3. Step 3: Cross multiply
    747,016.40x = 1,030,875.72 × 460,421.84
  4. Step 4: Simplify right side
    747,016.40x = 474,637,695,813.73
  5. Step 5: Solve for x
    x = 474,637,695,813.73/747,016.40
  6. Step 6: Final answer
    x = 635,377.88

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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.