Home / 865,724.42-1,298,586.63-234,638.24

Finding the Fourth Proportional to 865,724.42, 1,298,586.63 and 234,638.24

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Solution

The fourth proportional to 865,724.42, 1,298,586.63 and 234,638.24 is: 351,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,724.42 : 1,298,586.63 = 234,638.24 : x
  2. Step 2: Convert to fraction form
    865,724.42/1,298,586.63 = 234,638.24/x
  3. Step 3: Cross multiply
    865,724.42x = 1,298,586.63 × 234,638.24
  4. Step 4: Simplify right side
    865,724.42x = 304,698,075,737.69
  5. Step 5: Solve for x
    x = 304,698,075,737.69/865,724.42
  6. Step 6: Final answer
    x = 351,957.35

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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.