Home / 725,994.19-1,088,280.46-406,302.18

Finding the Fourth Proportional to 725,994.19, 1,088,280.46 and 406,302.18

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Solution

The fourth proportional to 725,994.19, 1,088,280.46 and 406,302.18 is: 609,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,994.19 : 1,088,280.46 = 406,302.18 : x
  2. Step 2: Convert to fraction form
    725,994.19/1,088,280.46 = 406,302.18/x
  3. Step 3: Cross multiply
    725,994.19x = 1,088,280.46 × 406,302.18
  4. Step 4: Simplify right side
    725,994.19x = 442,170,723,349.40
  5. Step 5: Solve for x
    x = 442,170,723,349.40/725,994.19
  6. Step 6: Final answer
    x = 609,055.46

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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.