Home / 886,326.47-1,223,113.92-542,137.12

Finding the Fourth Proportional to 886,326.47, 1,223,113.92 and 542,137.12

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Solution

The fourth proportional to 886,326.47, 1,223,113.92 and 542,137.12 is: 748,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,326.47 : 1,223,113.92 = 542,137.12 : x
  2. Step 2: Convert to fraction form
    886,326.47/1,223,113.92 = 542,137.12/x
  3. Step 3: Cross multiply
    886,326.47x = 1,223,113.92 × 542,137.12
  4. Step 4: Simplify right side
    886,326.47x = 663,095,458,020.71
  5. Step 5: Solve for x
    x = 663,095,458,020.71/886,326.47
  6. Step 6: Final answer
    x = 748,139.07

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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.