Home / 575,948.80-863,923.20-324,006.40

Finding the Fourth Proportional to 575,948.80, 863,923.20 and 324,006.40

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Solution

The fourth proportional to 575,948.80, 863,923.20 and 324,006.40 is: 486,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,948.80 : 863,923.20 = 324,006.40 : x
  2. Step 2: Convert to fraction form
    575,948.80/863,923.20 = 324,006.40/x
  3. Step 3: Cross multiply
    575,948.80x = 863,923.20 × 324,006.40
  4. Step 4: Simplify right side
    575,948.80x = 279,916,645,908.48
  5. Step 5: Solve for x
    x = 279,916,645,908.48/575,948.80
  6. Step 6: Final answer
    x = 486,009.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.