Home / 1,148,655.04-1,585,144-639,346.48

Finding the Fourth Proportional to 1,148,655.04, 1,585,144 and 639,346.48

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Solution

The fourth proportional to 1,148,655.04, 1,585,144 and 639,346.48 is: 882,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,655.04 : 1,585,144 = 639,346.48 : x
  2. Step 2: Convert to fraction form
    1,148,655.04/1,585,144 = 639,346.48/x
  3. Step 3: Cross multiply
    1,148,655.04x = 1,585,144 × 639,346.48
  4. Step 4: Simplify right side
    1,148,655.04x = 1,013,456,236,693.12
  5. Step 5: Solve for x
    x = 1,013,456,236,693.12/1,148,655.04
  6. Step 6: Final answer
    x = 882,298.17

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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.