Home / 862,034.81-1,189,038.29-539,184.60

Finding the Fourth Proportional to 862,034.81, 1,189,038.29 and 539,184.60

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Solution

The fourth proportional to 862,034.81, 1,189,038.29 and 539,184.60 is: 743,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,034.81 : 1,189,038.29 = 539,184.60 : x
  2. Step 2: Convert to fraction form
    862,034.81/1,189,038.29 = 539,184.60/x
  3. Step 3: Cross multiply
    862,034.81x = 1,189,038.29 × 539,184.60
  4. Step 4: Simplify right side
    862,034.81x = 641,111,132,082.41
  5. Step 5: Solve for x
    x = 641,111,132,082.41/862,034.81
  6. Step 6: Final answer
    x = 743,718.38

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Double scale
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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.