Home / 669,566.26-924,148.57-440,144.74

Finding the Fourth Proportional to 669,566.26, 924,148.57 and 440,144.74

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Solution

The fourth proportional to 669,566.26, 924,148.57 and 440,144.74 is: 607,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,566.26 : 924,148.57 = 440,144.74 : x
  2. Step 2: Convert to fraction form
    669,566.26/924,148.57 = 440,144.74/x
  3. Step 3: Cross multiply
    669,566.26x = 924,148.57 × 440,144.74
  4. Step 4: Simplify right side
    669,566.26x = 406,759,132,064.02
  5. Step 5: Solve for x
    x = 406,759,132,064.02/669,566.26
  6. Step 6: Final answer
    x = 607,496.46

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.