Home / 1,186,656.12-1,637,503.83-663,332.94

Finding the Fourth Proportional to 1,186,656.12, 1,637,503.83 and 663,332.94

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Solution

The fourth proportional to 1,186,656.12, 1,637,503.83 and 663,332.94 is: 915,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,656.12 : 1,637,503.83 = 663,332.94 : x
  2. Step 2: Convert to fraction form
    1,186,656.12/1,637,503.83 = 663,332.94/x
  3. Step 3: Cross multiply
    1,186,656.12x = 1,637,503.83 × 663,332.94
  4. Step 4: Simplify right side
    1,186,656.12x = 1,086,210,229,815.16
  5. Step 5: Solve for x
    x = 1,086,210,229,815.16/1,186,656.12
  6. Step 6: Final answer
    x = 915,353.83

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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.