Home / 1,503,930.68-2,075,920.64-1,344,498.40

Finding the Fourth Proportional to 1,503,930.68, 2,075,920.64 and 1,344,498.40

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Solution

The fourth proportional to 1,503,930.68, 2,075,920.64 and 1,344,498.40 is: 1,855,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,930.68 : 2,075,920.64 = 1,344,498.40 : x
  2. Step 2: Convert to fraction form
    1,503,930.68/2,075,920.64 = 1,344,498.40/x
  3. Step 3: Cross multiply
    1,503,930.68x = 2,075,920.64 × 1,344,498.40
  4. Step 4: Simplify right side
    1,503,930.68x = 2,791,071,979,006.98
  5. Step 5: Solve for x
    x = 2,791,071,979,006.98/1,503,930.68
  6. Step 6: Final answer
    x = 1,855,851.48

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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.