Home / 1,036,221.78-1,554,332.67-615,280.98

Finding the Fourth Proportional to 1,036,221.78, 1,554,332.67 and 615,280.98

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Solution

The fourth proportional to 1,036,221.78, 1,554,332.67 and 615,280.98 is: 922,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,221.78 : 1,554,332.67 = 615,280.98 : x
  2. Step 2: Convert to fraction form
    1,036,221.78/1,554,332.67 = 615,280.98/x
  3. Step 3: Cross multiply
    1,036,221.78x = 1,554,332.67 × 615,280.98
  4. Step 4: Simplify right side
    1,036,221.78x = 956,351,328,443.62
  5. Step 5: Solve for x
    x = 956,351,328,443.62/1,036,221.78
  6. Step 6: Final answer
    x = 922,921.47

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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.