Home / 1,036,128.40-1,554,192.60-615,187.60

Finding the Fourth Proportional to 1,036,128.40, 1,554,192.60 and 615,187.60

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Solution

The fourth proportional to 1,036,128.40, 1,554,192.60 and 615,187.60 is: 922,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,128.40 : 1,554,192.60 = 615,187.60 : x
  2. Step 2: Convert to fraction form
    1,036,128.40/1,554,192.60 = 615,187.60/x
  3. Step 3: Cross multiply
    1,036,128.40x = 1,554,192.60 × 615,187.60
  4. Step 4: Simplify right side
    1,036,128.40x = 956,120,015,531.76
  5. Step 5: Solve for x
    x = 956,120,015,531.76/1,036,128.40
  6. Step 6: Final answer
    x = 922,781.40

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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.