Home / 712,583.53-983,384.38-402,461.24

Finding the Fourth Proportional to 712,583.53, 983,384.38 and 402,461.24

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Solution

The fourth proportional to 712,583.53, 983,384.38 and 402,461.24 is: 555,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,583.53 : 983,384.38 = 402,461.24 : x
  2. Step 2: Convert to fraction form
    712,583.53/983,384.38 = 402,461.24/x
  3. Step 3: Cross multiply
    712,583.53x = 983,384.38 × 402,461.24
  4. Step 4: Simplify right side
    712,583.53x = 395,774,092,557.59
  5. Step 5: Solve for x
    x = 395,774,092,557.59/712,583.53
  6. Step 6: Final answer
    x = 555,407.30

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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.