Home / 931,528.20-1,285,491.40-587,294.40

Finding the Fourth Proportional to 931,528.20, 1,285,491.40 and 587,294.40

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Solution

The fourth proportional to 931,528.20, 1,285,491.40 and 587,294.40 is: 810,455.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,528.20 : 1,285,491.40 = 587,294.40 : x
  2. Step 2: Convert to fraction form
    931,528.20/1,285,491.40 = 587,294.40/x
  3. Step 3: Cross multiply
    931,528.20x = 1,285,491.40 × 587,294.40
  4. Step 4: Simplify right side
    931,528.20x = 754,961,900,468.16
  5. Step 5: Solve for x
    x = 754,961,900,468.16/931,528.20
  6. Step 6: Final answer
    x = 810,455.23

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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.