Home / 1,479,301.60-2,218,952.40-1,213,362.40

Finding the Fourth Proportional to 1,479,301.60, 2,218,952.40 and 1,213,362.40

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Solution

The fourth proportional to 1,479,301.60, 2,218,952.40 and 1,213,362.40 is: 1,820,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,301.60 : 2,218,952.40 = 1,213,362.40 : x
  2. Step 2: Convert to fraction form
    1,479,301.60/2,218,952.40 = 1,213,362.40/x
  3. Step 3: Cross multiply
    1,479,301.60x = 2,218,952.40 × 1,213,362.40
  4. Step 4: Simplify right side
    1,479,301.60x = 2,692,393,409,549.76
  5. Step 5: Solve for x
    x = 2,692,393,409,549.76/1,479,301.60
  6. Step 6: Final answer
    x = 1,820,043.60

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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.