Home / 482,829.57-666,001.67-310,970.25

Finding the Fourth Proportional to 482,829.57, 666,001.67 and 310,970.25

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Solution

The fourth proportional to 482,829.57, 666,001.67 and 310,970.25 is: 428,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,829.57 : 666,001.67 = 310,970.25 : x
  2. Step 2: Convert to fraction form
    482,829.57/666,001.67 = 310,970.25/x
  3. Step 3: Cross multiply
    482,829.57x = 666,001.67 × 310,970.25
  4. Step 4: Simplify right side
    482,829.57x = 207,106,704,265.47
  5. Step 5: Solve for x
    x = 207,106,704,265.47/482,829.57
  6. Step 6: Final answer
    x = 428,943.70

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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.