Home / 1,138,963.16-1,571,802.18-629,698.52

Finding the Fourth Proportional to 1,138,963.16, 1,571,802.18 and 629,698.52

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Solution

The fourth proportional to 1,138,963.16, 1,571,802.18 and 629,698.52 is: 869,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,963.16 : 1,571,802.18 = 629,698.52 : x
  2. Step 2: Convert to fraction form
    1,138,963.16/1,571,802.18 = 629,698.52/x
  3. Step 3: Cross multiply
    1,138,963.16x = 1,571,802.18 × 629,698.52
  4. Step 4: Simplify right side
    1,138,963.16x = 989,761,506,478.77
  5. Step 5: Solve for x
    x = 989,761,506,478.77/1,138,963.16
  6. Step 6: Final answer
    x = 869,002.21

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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.