Home / 966,742.40-1,450,113.60-406,870.40

Finding the Fourth Proportional to 966,742.40, 1,450,113.60 and 406,870.40

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Solution

The fourth proportional to 966,742.40, 1,450,113.60 and 406,870.40 is: 610,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,742.40 : 1,450,113.60 = 406,870.40 : x
  2. Step 2: Convert to fraction form
    966,742.40/1,450,113.60 = 406,870.40/x
  3. Step 3: Cross multiply
    966,742.40x = 1,450,113.60 × 406,870.40
  4. Step 4: Simplify right side
    966,742.40x = 590,008,300,477.44
  5. Step 5: Solve for x
    x = 590,008,300,477.44/966,742.40
  6. Step 6: Final answer
    x = 610,305.60

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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.