Home / 1,343,901.80-2,010,020.70-1,202,767.40

Finding the Fourth Proportional to 1,343,901.80, 2,010,020.70 and 1,202,767.40

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Solution

The fourth proportional to 1,343,901.80, 2,010,020.70 and 1,202,767.40 is: 1,798,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,901.80 : 2,010,020.70 = 1,202,767.40 : x
  2. Step 2: Convert to fraction form
    1,343,901.80/2,010,020.70 = 1,202,767.40/x
  3. Step 3: Cross multiply
    1,343,901.80x = 2,010,020.70 × 1,202,767.40
  4. Step 4: Simplify right side
    1,343,901.80x = 2,417,587,371,285.18
  5. Step 5: Solve for x
    x = 2,417,587,371,285.18/1,343,901.80
  6. Step 6: Final answer
    x = 1,798,931.57

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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.