Home / 830,611.17-1,146,244.23-448,637.95

Finding the Fourth Proportional to 830,611.17, 1,146,244.23 and 448,637.95

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Solution

The fourth proportional to 830,611.17, 1,146,244.23 and 448,637.95 is: 619,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,611.17 : 1,146,244.23 = 448,637.95 : x
  2. Step 2: Convert to fraction form
    830,611.17/1,146,244.23 = 448,637.95/x
  3. Step 3: Cross multiply
    830,611.17x = 1,146,244.23 × 448,637.95
  4. Step 4: Simplify right side
    830,611.17x = 514,248,661,546.53
  5. Step 5: Solve for x
    x = 514,248,661,546.53/830,611.17
  6. Step 6: Final answer
    x = 619,120.81

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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.