Home / 868,653.92-1,199,328.36-542,465.36

Finding the Fourth Proportional to 868,653.92, 1,199,328.36 and 542,465.36

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Solution

The fourth proportional to 868,653.92, 1,199,328.36 and 542,465.36 is: 748,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,653.92 : 1,199,328.36 = 542,465.36 : x
  2. Step 2: Convert to fraction form
    868,653.92/1,199,328.36 = 542,465.36/x
  3. Step 3: Cross multiply
    868,653.92x = 1,199,328.36 × 542,465.36
  4. Step 4: Simplify right side
    868,653.92x = 650,594,090,565.61
  5. Step 5: Solve for x
    x = 650,594,090,565.61/868,653.92
  6. Step 6: Final answer
    x = 748,968.12

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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.