Home / 771,792.27-1,065,443.54-542,546.07

Finding the Fourth Proportional to 771,792.27, 1,065,443.54 and 542,546.07

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Solution

The fourth proportional to 771,792.27, 1,065,443.54 and 542,546.07 is: 748,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,792.27 : 1,065,443.54 = 542,546.07 : x
  2. Step 2: Convert to fraction form
    771,792.27/1,065,443.54 = 542,546.07/x
  3. Step 3: Cross multiply
    771,792.27x = 1,065,443.54 × 542,546.07
  4. Step 4: Simplify right side
    771,792.27x = 578,052,202,721.16
  5. Step 5: Solve for x
    x = 578,052,202,721.16/771,792.27
  6. Step 6: Final answer
    x = 748,973.82

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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.