Home / 773,259.20-1,159,888.80-549,310.40

Finding the Fourth Proportional to 773,259.20, 1,159,888.80 and 549,310.40

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Solution

The fourth proportional to 773,259.20, 1,159,888.80 and 549,310.40 is: 823,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,259.20 : 1,159,888.80 = 549,310.40 : x
  2. Step 2: Convert to fraction form
    773,259.20/1,159,888.80 = 549,310.40/x
  3. Step 3: Cross multiply
    773,259.20x = 1,159,888.80 × 549,310.40
  4. Step 4: Simplify right side
    773,259.20x = 637,138,980,683.52
  5. Step 5: Solve for x
    x = 637,138,980,683.52/773,259.20
  6. Step 6: Final answer
    x = 823,965.60

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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.