Home / 779,979.20-1,169,968.80-523,116.05

Finding the Fourth Proportional to 779,979.20, 1,169,968.80 and 523,116.05

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Solution

The fourth proportional to 779,979.20, 1,169,968.80 and 523,116.05 is: 784,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,979.20 : 1,169,968.80 = 523,116.05 : x
  2. Step 2: Convert to fraction form
    779,979.20/1,169,968.80 = 523,116.05/x
  3. Step 3: Cross multiply
    779,979.20x = 1,169,968.80 × 523,116.05
  4. Step 4: Simplify right side
    779,979.20x = 612,029,457,279.24
  5. Step 5: Solve for x
    x = 612,029,457,279.24/779,979.20
  6. Step 6: Final answer
    x = 784,674.08

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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.