Home / 838,486.92-1,157,110.20-456,510.36

Finding the Fourth Proportional to 838,486.92, 1,157,110.20 and 456,510.36

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Solution

The fourth proportional to 838,486.92, 1,157,110.20 and 456,510.36 is: 629,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,486.92 : 1,157,110.20 = 456,510.36 : x
  2. Step 2: Convert to fraction form
    838,486.92/1,157,110.20 = 456,510.36/x
  3. Step 3: Cross multiply
    838,486.92x = 1,157,110.20 × 456,510.36
  4. Step 4: Simplify right side
    838,486.92x = 528,232,793,961.67
  5. Step 5: Solve for x
    x = 528,232,793,961.67/838,486.92
  6. Step 6: Final answer
    x = 629,983.34

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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.