Home / 965,066.40-1,331,684.08-535,238.80

Finding the Fourth Proportional to 965,066.40, 1,331,684.08 and 535,238.80

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Solution

The fourth proportional to 965,066.40, 1,331,684.08 and 535,238.80 is: 738,569.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,066.40 : 1,331,684.08 = 535,238.80 : x
  2. Step 2: Convert to fraction form
    965,066.40/1,331,684.08 = 535,238.80/x
  3. Step 3: Cross multiply
    965,066.40x = 1,331,684.08 × 535,238.80
  4. Step 4: Simplify right side
    965,066.40x = 712,768,988,958.30
  5. Step 5: Solve for x
    x = 712,768,988,958.30/965,066.40
  6. Step 6: Final answer
    x = 738,569.89

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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.