Home / 1,124,095.31-1,551,213.14-640,816.20

Finding the Fourth Proportional to 1,124,095.31, 1,551,213.14 and 640,816.20

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Solution

The fourth proportional to 1,124,095.31, 1,551,213.14 and 640,816.20 is: 884,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,095.31 : 1,551,213.14 = 640,816.20 : x
  2. Step 2: Convert to fraction form
    1,124,095.31/1,551,213.14 = 640,816.20/x
  3. Step 3: Cross multiply
    1,124,095.31x = 1,551,213.14 × 640,816.20
  4. Step 4: Simplify right side
    1,124,095.31x = 994,042,509,764.87
  5. Step 5: Solve for x
    x = 994,042,509,764.87/1,124,095.31
  6. Step 6: Final answer
    x = 884,304.47

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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.