Home / 896,156.66-1,236,684.80-488,275.48

Finding the Fourth Proportional to 896,156.66, 1,236,684.80 and 488,275.48

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Solution

The fourth proportional to 896,156.66, 1,236,684.80 and 488,275.48 is: 673,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,156.66 : 1,236,684.80 = 488,275.48 : x
  2. Step 2: Convert to fraction form
    896,156.66/1,236,684.80 = 488,275.48/x
  3. Step 3: Cross multiply
    896,156.66x = 1,236,684.80 × 488,275.48
  4. Step 4: Simplify right side
    896,156.66x = 603,842,864,328.70
  5. Step 5: Solve for x
    x = 603,842,864,328.70/896,156.66
  6. Step 6: Final answer
    x = 673,813.96

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1.5x scale

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.