Home / 708,261.52-977,366.08-385,970.64

Finding the Fourth Proportional to 708,261.52, 977,366.08 and 385,970.64

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Solution

The fourth proportional to 708,261.52, 977,366.08 and 385,970.64 is: 532,620.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,261.52 : 977,366.08 = 385,970.64 : x
  2. Step 2: Convert to fraction form
    708,261.52/977,366.08 = 385,970.64/x
  3. Step 3: Cross multiply
    708,261.52x = 977,366.08 × 385,970.64
  4. Step 4: Simplify right side
    708,261.52x = 377,234,611,411.89
  5. Step 5: Solve for x
    x = 377,234,611,411.89/708,261.52
  6. Step 6: Final answer
    x = 532,620.51

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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.