Home / 716,087.04-1,074,130.20-340,972.80

Finding the Fourth Proportional to 716,087.04, 1,074,130.20 and 340,972.80

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Solution

The fourth proportional to 716,087.04, 1,074,130.20 and 340,972.80 is: 511,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,087.04 : 1,074,130.20 = 340,972.80 : x
  2. Step 2: Convert to fraction form
    716,087.04/1,074,130.20 = 340,972.80/x
  3. Step 3: Cross multiply
    716,087.04x = 1,074,130.20 × 340,972.80
  4. Step 4: Simplify right side
    716,087.04x = 366,249,181,858.56
  5. Step 5: Solve for x
    x = 366,249,181,858.56/716,087.04
  6. Step 6: Final answer
    x = 511,459.03

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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.