Home / 767,907.28-1,057,981.41-535,114.79

Finding the Fourth Proportional to 767,907.28, 1,057,981.41 and 535,114.79

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Solution

The fourth proportional to 767,907.28, 1,057,981.41 and 535,114.79 is: 737,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,907.28 : 1,057,981.41 = 535,114.79 : x
  2. Step 2: Convert to fraction form
    767,907.28/1,057,981.41 = 535,114.79/x
  3. Step 3: Cross multiply
    767,907.28x = 1,057,981.41 × 535,114.79
  4. Step 4: Simplify right side
    767,907.28x = 566,141,502,681.01
  5. Step 5: Solve for x
    x = 566,141,502,681.01/767,907.28
  6. Step 6: Final answer
    x = 737,252.43

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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.