Home / 1,553,117.95-2,142,884.32-908,696.53

Finding the Fourth Proportional to 1,553,117.95, 2,142,884.32 and 908,696.53

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Solution

The fourth proportional to 1,553,117.95, 2,142,884.32 and 908,696.53 is: 1,253,756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,117.95 : 2,142,884.32 = 908,696.53 : x
  2. Step 2: Convert to fraction form
    1,553,117.95/2,142,884.32 = 908,696.53/x
  3. Step 3: Cross multiply
    1,553,117.95x = 2,142,884.32 × 908,696.53
  4. Step 4: Simplify right side
    1,553,117.95x = 1,947,231,545,775.41
  5. Step 5: Solve for x
    x = 1,947,231,545,775.41/1,553,117.95
  6. Step 6: Final answer
    x = 1,253,756.38

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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.