Home / 1,312,554.39-1,965,772.36-1,267,094.85

Finding the Fourth Proportional to 1,312,554.39, 1,965,772.36 and 1,267,094.85

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Solution

The fourth proportional to 1,312,554.39, 1,965,772.36 and 1,267,094.85 is: 1,897,689.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,554.39 : 1,965,772.36 = 1,267,094.85 : x
  2. Step 2: Convert to fraction form
    1,312,554.39/1,965,772.36 = 1,267,094.85/x
  3. Step 3: Cross multiply
    1,312,554.39x = 1,965,772.36 × 1,267,094.85
  4. Step 4: Simplify right side
    1,312,554.39x = 2,490,820,033,628.35
  5. Step 5: Solve for x
    x = 2,490,820,033,628.35/1,312,554.39
  6. Step 6: Final answer
    x = 1,897,689.00

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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.