Home / 1,643,253.98-2,267,465.06-918,011.57

Finding the Fourth Proportional to 1,643,253.98, 2,267,465.06 and 918,011.57

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Solution

The fourth proportional to 1,643,253.98, 2,267,465.06 and 918,011.57 is: 1,266,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,253.98 : 2,267,465.06 = 918,011.57 : x
  2. Step 2: Convert to fraction form
    1,643,253.98/2,267,465.06 = 918,011.57/x
  3. Step 3: Cross multiply
    1,643,253.98x = 2,267,465.06 × 918,011.57
  4. Step 4: Simplify right side
    1,643,253.98x = 2,081,559,150,608.45
  5. Step 5: Solve for x
    x = 2,081,559,150,608.45/1,643,253.98
  6. Step 6: Final answer
    x = 1,266,730.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.