Home / 929,186.93-1,280,920.68-656,774.21

Finding the Fourth Proportional to 929,186.93, 1,280,920.68 and 656,774.21

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Solution

The fourth proportional to 929,186.93, 1,280,920.68 and 656,774.21 is: 905,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,186.93 : 1,280,920.68 = 656,774.21 : x
  2. Step 2: Convert to fraction form
    929,186.93/1,280,920.68 = 656,774.21/x
  3. Step 3: Cross multiply
    929,186.93x = 1,280,920.68 × 656,774.21
  4. Step 4: Simplify right side
    929,186.93x = 841,275,661,275.06
  5. Step 5: Solve for x
    x = 841,275,661,275.06/929,186.93
  6. Step 6: Final answer
    x = 905,389.04

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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.