Home / 690,744.47-1,036,823.43-570,418.16

Finding the Fourth Proportional to 690,744.47, 1,036,823.43 and 570,418.16

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Solution

The fourth proportional to 690,744.47, 1,036,823.43 and 570,418.16 is: 856,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,744.47 : 1,036,823.43 = 570,418.16 : x
  2. Step 2: Convert to fraction form
    690,744.47/1,036,823.43 = 570,418.16/x
  3. Step 3: Cross multiply
    690,744.47x = 1,036,823.43 × 570,418.16
  4. Step 4: Simplify right side
    690,744.47x = 591,422,913,185.49
  5. Step 5: Solve for x
    x = 591,422,913,185.49/690,744.47
  6. Step 6: Final answer
    x = 856,210.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.