Home / 966,743.40-1,450,115.10-406,871.40

Finding the Fourth Proportional to 966,743.40, 1,450,115.10 and 406,871.40

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Solution

The fourth proportional to 966,743.40, 1,450,115.10 and 406,871.40 is: 610,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,743.40 : 1,450,115.10 = 406,871.40 : x
  2. Step 2: Convert to fraction form
    966,743.40/1,450,115.10 = 406,871.40/x
  3. Step 3: Cross multiply
    966,743.40x = 1,450,115.10 × 406,871.40
  4. Step 4: Simplify right side
    966,743.40x = 590,010,360,898.14
  5. Step 5: Solve for x
    x = 590,010,360,898.14/966,743.40
  6. Step 6: Final answer
    x = 610,307.10

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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.