Home / 1,137,054.54-1,569,136.28-627,756.91

Finding the Fourth Proportional to 1,137,054.54, 1,569,136.28 and 627,756.91

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Solution

The fourth proportional to 1,137,054.54, 1,569,136.28 and 627,756.91 is: 866,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,054.54 : 1,569,136.28 = 627,756.91 : x
  2. Step 2: Convert to fraction form
    1,137,054.54/1,569,136.28 = 627,756.91/x
  3. Step 3: Cross multiply
    1,137,054.54x = 1,569,136.28 × 627,756.91
  4. Step 4: Simplify right side
    1,137,054.54x = 985,036,144,855.46
  5. Step 5: Solve for x
    x = 985,036,144,855.46/1,137,054.54
  6. Step 6: Final answer
    x = 866,305.10

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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.