Home / 929,427.62-1,282,506.01-521,444.59

Finding the Fourth Proportional to 929,427.62, 1,282,506.01 and 521,444.59

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Solution

The fourth proportional to 929,427.62, 1,282,506.01 and 521,444.59 is: 719,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,427.62 : 1,282,506.01 = 521,444.59 : x
  2. Step 2: Convert to fraction form
    929,427.62/1,282,506.01 = 521,444.59/x
  3. Step 3: Cross multiply
    929,427.62x = 1,282,506.01 × 521,444.59
  4. Step 4: Simplify right side
    929,427.62x = 668,755,816,047.11
  5. Step 5: Solve for x
    x = 668,755,816,047.11/929,427.62
  6. Step 6: Final answer
    x = 719,535.13

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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.