Home / 927,116.30-1,390,674.45-716,905.10

Finding the Fourth Proportional to 927,116.30, 1,390,674.45 and 716,905.10

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Solution

The fourth proportional to 927,116.30, 1,390,674.45 and 716,905.10 is: 1,075,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,116.30 : 1,390,674.45 = 716,905.10 : x
  2. Step 2: Convert to fraction form
    927,116.30/1,390,674.45 = 716,905.10/x
  3. Step 3: Cross multiply
    927,116.30x = 1,390,674.45 × 716,905.10
  4. Step 4: Simplify right side
    927,116.30x = 996,981,605,644.70
  5. Step 5: Solve for x
    x = 996,981,605,644.70/927,116.30
  6. Step 6: Final answer
    x = 1,075,357.65

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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.