Home / 1,208,886.80-1,812,811.80-609,616.40

Finding the Fourth Proportional to 1,208,886.80, 1,812,811.80 and 609,616.40

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Solution

The fourth proportional to 1,208,886.80, 1,812,811.80 and 609,616.40 is: 914,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,886.80 : 1,812,811.80 = 609,616.40 : x
  2. Step 2: Convert to fraction form
    1,208,886.80/1,812,811.80 = 609,616.40/x
  3. Step 3: Cross multiply
    1,208,886.80x = 1,812,811.80 × 609,616.40
  4. Step 4: Simplify right side
    1,208,886.80x = 1,105,119,803,393.52
  5. Step 5: Solve for x
    x = 1,105,119,803,393.52/1,208,886.80
  6. Step 6: Final answer
    x = 914,163.18

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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.