Home / 970,077.60-1,455,116.40-496,605.60

Finding the Fourth Proportional to 970,077.60, 1,455,116.40 and 496,605.60

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Solution

The fourth proportional to 970,077.60, 1,455,116.40 and 496,605.60 is: 744,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,077.60 : 1,455,116.40 = 496,605.60 : x
  2. Step 2: Convert to fraction form
    970,077.60/1,455,116.40 = 496,605.60/x
  3. Step 3: Cross multiply
    970,077.60x = 1,455,116.40 × 496,605.60
  4. Step 4: Simplify right side
    970,077.60x = 722,618,952,891.84
  5. Step 5: Solve for x
    x = 722,618,952,891.84/970,077.60
  6. Step 6: Final answer
    x = 744,908.40

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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.