Home / 1,206,806.40-1,808,654.40-924,926.40

Finding the Fourth Proportional to 1,206,806.40, 1,808,654.40 and 924,926.40

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Solution

The fourth proportional to 1,206,806.40, 1,808,654.40 and 924,926.40 is: 1,386,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,806.40 : 1,808,654.40 = 924,926.40 : x
  2. Step 2: Convert to fraction form
    1,206,806.40/1,808,654.40 = 924,926.40/x
  3. Step 3: Cross multiply
    1,206,806.40x = 1,808,654.40 × 924,926.40
  4. Step 4: Simplify right side
    1,206,806.40x = 1,672,872,203,036.16
  5. Step 5: Solve for x
    x = 1,672,872,203,036.16/1,206,806.40
  6. Step 6: Final answer
    x = 1,386,197.66

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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.