Home / 1,186,449.84-1,637,384.76-677,228.76

Finding the Fourth Proportional to 1,186,449.84, 1,637,384.76 and 677,228.76

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Solution

The fourth proportional to 1,186,449.84, 1,637,384.76 and 677,228.76 is: 934,623.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,449.84 : 1,637,384.76 = 677,228.76 : x
  2. Step 2: Convert to fraction form
    1,186,449.84/1,637,384.76 = 677,228.76/x
  3. Step 3: Cross multiply
    1,186,449.84x = 1,637,384.76 × 677,228.76
  4. Step 4: Simplify right side
    1,186,449.84x = 1,108,884,050,657.70
  5. Step 5: Solve for x
    x = 1,108,884,050,657.70/1,186,449.84
  6. Step 6: Final answer
    x = 934,623.63

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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.