Home / 992,955.38-1,370,237.49-540,248.18

Finding the Fourth Proportional to 992,955.38, 1,370,237.49 and 540,248.18

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Solution

The fourth proportional to 992,955.38, 1,370,237.49 and 540,248.18 is: 745,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,955.38 : 1,370,237.49 = 540,248.18 : x
  2. Step 2: Convert to fraction form
    992,955.38/1,370,237.49 = 540,248.18/x
  3. Step 3: Cross multiply
    992,955.38x = 1,370,237.49 × 540,248.18
  4. Step 4: Simplify right side
    992,955.38x = 740,268,310,140.27
  5. Step 5: Solve for x
    x = 740,268,310,140.27/992,955.38
  6. Step 6: Final answer
    x = 745,520.22

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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.