Home / 907,924.56-1,252,559.88-540,328.20

Finding the Fourth Proportional to 907,924.56, 1,252,559.88 and 540,328.20

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Solution

The fourth proportional to 907,924.56, 1,252,559.88 and 540,328.20 is: 745,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,924.56 : 1,252,559.88 = 540,328.20 : x
  2. Step 2: Convert to fraction form
    907,924.56/1,252,559.88 = 540,328.20/x
  3. Step 3: Cross multiply
    907,924.56x = 1,252,559.88 × 540,328.20
  4. Step 4: Simplify right side
    907,924.56x = 676,793,425,352.62
  5. Step 5: Solve for x
    x = 676,793,425,352.62/907,924.56
  6. Step 6: Final answer
    x = 745,429.14

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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.