Home / 879,892.08-1,214,170.20-497,857.20

Finding the Fourth Proportional to 879,892.08, 1,214,170.20 and 497,857.20

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Solution

The fourth proportional to 879,892.08, 1,214,170.20 and 497,857.20 is: 686,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,892.08 : 1,214,170.20 = 497,857.20 : x
  2. Step 2: Convert to fraction form
    879,892.08/1,214,170.20 = 497,857.20/x
  3. Step 3: Cross multiply
    879,892.08x = 1,214,170.20 × 497,857.20
  4. Step 4: Simplify right side
    879,892.08x = 604,483,376,095.44
  5. Step 5: Solve for x
    x = 604,483,376,095.44/879,892.08
  6. Step 6: Final answer
    x = 686,997.18

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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.