Home / 927,111.30-1,390,666.95-716,900.10

Finding the Fourth Proportional to 927,111.30, 1,390,666.95 and 716,900.10

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Solution

The fourth proportional to 927,111.30, 1,390,666.95 and 716,900.10 is: 1,075,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,111.30 : 1,390,666.95 = 716,900.10 : x
  2. Step 2: Convert to fraction form
    927,111.30/1,390,666.95 = 716,900.10/x
  3. Step 3: Cross multiply
    927,111.30x = 1,390,666.95 × 716,900.10
  4. Step 4: Simplify right side
    927,111.30x = 996,969,275,521.70
  5. Step 5: Solve for x
    x = 996,969,275,521.70/927,111.30
  6. Step 6: Final answer
    x = 1,075,350.15

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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.