Home / 838,586.13-1,157,267.85-475,976.07

Finding the Fourth Proportional to 838,586.13, 1,157,267.85 and 475,976.07

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Solution

The fourth proportional to 838,586.13, 1,157,267.85 and 475,976.07 is: 656,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,586.13 : 1,157,267.85 = 475,976.07 : x
  2. Step 2: Convert to fraction form
    838,586.13/1,157,267.85 = 475,976.07/x
  3. Step 3: Cross multiply
    838,586.13x = 1,157,267.85 × 475,976.07
  4. Step 4: Simplify right side
    838,586.13x = 550,831,803,180.35
  5. Step 5: Solve for x
    x = 550,831,803,180.35/838,586.13
  6. Step 6: Final answer
    x = 656,857.76

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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.