Home / 716,614.20-1,074,921.30-401,030.10

Finding the Fourth Proportional to 716,614.20, 1,074,921.30 and 401,030.10

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Solution

The fourth proportional to 716,614.20, 1,074,921.30 and 401,030.10 is: 601,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,614.20 : 1,074,921.30 = 401,030.10 : x
  2. Step 2: Convert to fraction form
    716,614.20/1,074,921.30 = 401,030.10/x
  3. Step 3: Cross multiply
    716,614.20x = 1,074,921.30 × 401,030.10
  4. Step 4: Simplify right side
    716,614.20x = 431,075,796,431.13
  5. Step 5: Solve for x
    x = 431,075,796,431.13/716,614.20
  6. Step 6: Final answer
    x = 601,545.15

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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.