Home / 748,957.39-1,123,436.08-250,321.39

Finding the Fourth Proportional to 748,957.39, 1,123,436.08 and 250,321.39

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Solution

The fourth proportional to 748,957.39, 1,123,436.08 and 250,321.39 is: 375,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,957.39 : 1,123,436.08 = 250,321.39 : x
  2. Step 2: Convert to fraction form
    748,957.39/1,123,436.08 = 250,321.39/x
  3. Step 3: Cross multiply
    748,957.39x = 1,123,436.08 × 250,321.39
  4. Step 4: Simplify right side
    748,957.39x = 281,220,081,121.75
  5. Step 5: Solve for x
    x = 281,220,081,121.75/748,957.39
  6. Step 6: Final answer
    x = 375,482.08

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Half scale
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Double scale
Find fourth proportional to 748,958.39, 1,123,437.58 and 250,322.39
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.