Home / 803,788.17-1,109,187.59-464,236.17

Finding the Fourth Proportional to 803,788.17, 1,109,187.59 and 464,236.17

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Solution

The fourth proportional to 803,788.17, 1,109,187.59 and 464,236.17 is: 640,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,788.17 : 1,109,187.59 = 464,236.17 : x
  2. Step 2: Convert to fraction form
    803,788.17/1,109,187.59 = 464,236.17/x
  3. Step 3: Cross multiply
    803,788.17x = 1,109,187.59 × 464,236.17
  4. Step 4: Simplify right side
    803,788.17x = 514,924,996,271.95
  5. Step 5: Solve for x
    x = 514,924,996,271.95/803,788.17
  6. Step 6: Final answer
    x = 640,622.76

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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.