Home / 788,561.40-1,182,842.10-433,392.60

Finding the Fourth Proportional to 788,561.40, 1,182,842.10 and 433,392.60

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Solution

The fourth proportional to 788,561.40, 1,182,842.10 and 433,392.60 is: 650,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,561.40 : 1,182,842.10 = 433,392.60 : x
  2. Step 2: Convert to fraction form
    788,561.40/1,182,842.10 = 433,392.60/x
  3. Step 3: Cross multiply
    788,561.40x = 1,182,842.10 × 433,392.60
  4. Step 4: Simplify right side
    788,561.40x = 512,635,013,108.46
  5. Step 5: Solve for x
    x = 512,635,013,108.46/788,561.40
  6. Step 6: Final answer
    x = 650,088.90

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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.