Home / 1,149,320.16-1,586,036.16-640,069.92

Finding the Fourth Proportional to 1,149,320.16, 1,586,036.16 and 640,069.92

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Solution

The fourth proportional to 1,149,320.16, 1,586,036.16 and 640,069.92 is: 883,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,320.16 : 1,586,036.16 = 640,069.92 : x
  2. Step 2: Convert to fraction form
    1,149,320.16/1,586,036.16 = 640,069.92/x
  3. Step 3: Cross multiply
    1,149,320.16x = 1,586,036.16 × 640,069.92
  4. Step 4: Simplify right side
    1,149,320.16x = 1,015,174,038,048.31
  5. Step 5: Solve for x
    x = 1,015,174,038,048.31/1,149,320.16
  6. Step 6: Final answer
    x = 883,282.20

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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.