Home / 1,140,623.04-1,574,133.12-657,179.52

Finding the Fourth Proportional to 1,140,623.04, 1,574,133.12 and 657,179.52

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Solution

The fourth proportional to 1,140,623.04, 1,574,133.12 and 657,179.52 is: 906,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,623.04 : 1,574,133.12 = 657,179.52 : x
  2. Step 2: Convert to fraction form
    1,140,623.04/1,574,133.12 = 657,179.52/x
  3. Step 3: Cross multiply
    1,140,623.04x = 1,574,133.12 × 657,179.52
  4. Step 4: Simplify right side
    1,140,623.04x = 1,034,488,048,217.70
  5. Step 5: Solve for x
    x = 1,034,488,048,217.70/1,140,623.04
  6. Step 6: Final answer
    x = 906,949.98

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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.