Home / 540,923.07-747,237.38-492,444.03

Finding the Fourth Proportional to 540,923.07, 747,237.38 and 492,444.03

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Solution

The fourth proportional to 540,923.07, 747,237.38 and 492,444.03 is: 680,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,923.07 : 747,237.38 = 492,444.03 : x
  2. Step 2: Convert to fraction form
    540,923.07/747,237.38 = 492,444.03/x
  3. Step 3: Cross multiply
    540,923.07x = 747,237.38 × 492,444.03
  4. Step 4: Simplify right side
    540,923.07x = 367,972,584,311.62
  5. Step 5: Solve for x
    x = 367,972,584,311.62/540,923.07
  6. Step 6: Final answer
    x = 680,267.87

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Half scale
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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.