Home / 1,137,123.04-1,569,228.78-627,828.52

Finding the Fourth Proportional to 1,137,123.04, 1,569,228.78 and 627,828.52

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Solution

The fourth proportional to 1,137,123.04, 1,569,228.78 and 627,828.52 is: 866,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,123.04 : 1,569,228.78 = 627,828.52 : x
  2. Step 2: Convert to fraction form
    1,137,123.04/1,569,228.78 = 627,828.52/x
  3. Step 3: Cross multiply
    1,137,123.04x = 1,569,228.78 × 627,828.52
  4. Step 4: Simplify right side
    1,137,123.04x = 985,206,582,488.81
  5. Step 5: Solve for x
    x = 985,206,582,488.81/1,137,123.04
  6. Step 6: Final answer
    x = 866,402.80

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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.