Home / 1,365,210.80-2,051,752.80-1,192,000.40

Finding the Fourth Proportional to 1,365,210.80, 2,051,752.80 and 1,192,000.40

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Solution

The fourth proportional to 1,365,210.80, 2,051,752.80 and 1,192,000.40 is: 1,791,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,210.80 : 2,051,752.80 = 1,192,000.40 : x
  2. Step 2: Convert to fraction form
    1,365,210.80/2,051,752.80 = 1,192,000.40/x
  3. Step 3: Cross multiply
    1,365,210.80x = 2,051,752.80 × 1,192,000.40
  4. Step 4: Simplify right side
    1,365,210.80x = 2,445,690,158,301.12
  5. Step 5: Solve for x
    x = 2,445,690,158,301.12/1,365,210.80
  6. Step 6: Final answer
    x = 1,791,437.75

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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.