Home / 556,899.20-835,348.80-547,683.20

Finding the Fourth Proportional to 556,899.20, 835,348.80 and 547,683.20

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Solution

The fourth proportional to 556,899.20, 835,348.80 and 547,683.20 is: 821,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,899.20 : 835,348.80 = 547,683.20 : x
  2. Step 2: Convert to fraction form
    556,899.20/835,348.80 = 547,683.20/x
  3. Step 3: Cross multiply
    556,899.20x = 835,348.80 × 547,683.20
  4. Step 4: Simplify right side
    556,899.20x = 457,506,503,900.16
  5. Step 5: Solve for x
    x = 457,506,503,900.16/556,899.20
  6. Step 6: Final answer
    x = 821,524.80

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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.