Home / 838,826.65-1,157,539.51-476,202.92

Finding the Fourth Proportional to 838,826.65, 1,157,539.51 and 476,202.92

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Solution

The fourth proportional to 838,826.65, 1,157,539.51 and 476,202.92 is: 657,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,826.65 : 1,157,539.51 = 476,202.92 : x
  2. Step 2: Convert to fraction form
    838,826.65/1,157,539.51 = 476,202.92/x
  3. Step 3: Cross multiply
    838,826.65x = 1,157,539.51 × 476,202.92
  4. Step 4: Simplify right side
    838,826.65x = 551,223,688,889.67
  5. Step 5: Solve for x
    x = 551,223,688,889.67/838,826.65
  6. Step 6: Final answer
    x = 657,136.60

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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.