Home / 1,124,086.14-1,551,200.45-640,807.07

Finding the Fourth Proportional to 1,124,086.14, 1,551,200.45 and 640,807.07

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Solution

The fourth proportional to 1,124,086.14, 1,551,200.45 and 640,807.07 is: 884,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,086.14 : 1,551,200.45 = 640,807.07 : x
  2. Step 2: Convert to fraction form
    1,124,086.14/1,551,200.45 = 640,807.07/x
  3. Step 3: Cross multiply
    1,124,086.14x = 1,551,200.45 × 640,807.07
  4. Step 4: Simplify right side
    1,124,086.14x = 994,020,204,387.14
  5. Step 5: Solve for x
    x = 994,020,204,387.14/1,124,086.14
  6. Step 6: Final answer
    x = 884,291.84

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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.