Home / 943,354.38-1,301,852.40-513,658.02

Finding the Fourth Proportional to 943,354.38, 1,301,852.40 and 513,658.02

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Solution

The fourth proportional to 943,354.38, 1,301,852.40 and 513,658.02 is: 708,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,354.38 : 1,301,852.40 = 513,658.02 : x
  2. Step 2: Convert to fraction form
    943,354.38/1,301,852.40 = 513,658.02/x
  3. Step 3: Cross multiply
    943,354.38x = 1,301,852.40 × 513,658.02
  4. Step 4: Simplify right side
    943,354.38x = 668,706,926,116.25
  5. Step 5: Solve for x
    x = 668,706,926,116.25/943,354.38
  6. Step 6: Final answer
    x = 708,860.78

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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.