Home / 907,923.56-1,252,558.50-540,327.20

Finding the Fourth Proportional to 907,923.56, 1,252,558.50 and 540,327.20

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Solution

The fourth proportional to 907,923.56, 1,252,558.50 and 540,327.20 is: 745,427.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,923.56 : 1,252,558.50 = 540,327.20 : x
  2. Step 2: Convert to fraction form
    907,923.56/1,252,558.50 = 540,327.20/x
  3. Step 3: Cross multiply
    907,923.56x = 1,252,558.50 × 540,327.20
  4. Step 4: Simplify right side
    907,923.56x = 676,791,427,141.20
  5. Step 5: Solve for x
    x = 676,791,427,141.20/907,923.56
  6. Step 6: Final answer
    x = 745,427.76

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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.