Home / 911,530.32-1,257,904.46-503,630.93

Finding the Fourth Proportional to 911,530.32, 1,257,904.46 and 503,630.93

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Solution

The fourth proportional to 911,530.32, 1,257,904.46 and 503,630.93 is: 695,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,530.32 : 1,257,904.46 = 503,630.93 : x
  2. Step 2: Convert to fraction form
    911,530.32/1,257,904.46 = 503,630.93/x
  3. Step 3: Cross multiply
    911,530.32x = 1,257,904.46 × 503,630.93
  4. Step 4: Simplify right side
    911,530.32x = 633,519,593,040.95
  5. Step 5: Solve for x
    x = 633,519,593,040.95/911,530.32
  6. Step 6: Final answer
    x = 695,006.60

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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.