Home / 772,867.80-1,159,301.70-532,330.20

Finding the Fourth Proportional to 772,867.80, 1,159,301.70 and 532,330.20

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Solution

The fourth proportional to 772,867.80, 1,159,301.70 and 532,330.20 is: 798,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,867.80 : 1,159,301.70 = 532,330.20 : x
  2. Step 2: Convert to fraction form
    772,867.80/1,159,301.70 = 532,330.20/x
  3. Step 3: Cross multiply
    772,867.80x = 1,159,301.70 × 532,330.20
  4. Step 4: Simplify right side
    772,867.80x = 617,131,305,821.34
  5. Step 5: Solve for x
    x = 617,131,305,821.34/772,867.80
  6. Step 6: Final answer
    x = 798,495.30

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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.