Home / 1,161,131.38-1,602,365.01-644,885.18

Finding the Fourth Proportional to 1,161,131.38, 1,602,365.01 and 644,885.18

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Solution

The fourth proportional to 1,161,131.38, 1,602,365.01 and 644,885.18 is: 889,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,131.38 : 1,602,365.01 = 644,885.18 : x
  2. Step 2: Convert to fraction form
    1,161,131.38/1,602,365.01 = 644,885.18/x
  3. Step 3: Cross multiply
    1,161,131.38x = 1,602,365.01 × 644,885.18
  4. Step 4: Simplify right side
    1,161,131.38x = 1,033,341,439,887.73
  5. Step 5: Solve for x
    x = 1,033,341,439,887.73/1,161,131.38
  6. Step 6: Final answer
    x = 889,943.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.