Home / 1,345,666.10-2,016,214.16-812,065.88

Finding the Fourth Proportional to 1,345,666.10, 2,016,214.16 and 812,065.88

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Solution

The fourth proportional to 1,345,666.10, 2,016,214.16 and 812,065.88 is: 1,216,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,666.10 : 2,016,214.16 = 812,065.88 : x
  2. Step 2: Convert to fraction form
    1,345,666.10/2,016,214.16 = 812,065.88/x
  3. Step 3: Cross multiply
    1,345,666.10x = 2,016,214.16 × 812,065.88
  4. Step 4: Simplify right side
    1,345,666.10x = 1,637,298,711,967.46
  5. Step 5: Solve for x
    x = 1,637,298,711,967.46/1,345,666.10
  6. Step 6: Final answer
    x = 1,216,719.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.