Home / 879,238.01-1,213,348.46-497,256.59

Finding the Fourth Proportional to 879,238.01, 1,213,348.46 and 497,256.59

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Solution

The fourth proportional to 879,238.01, 1,213,348.46 and 497,256.59 is: 686,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,238.01 : 1,213,348.46 = 497,256.59 : x
  2. Step 2: Convert to fraction form
    879,238.01/1,213,348.46 = 497,256.59/x
  3. Step 3: Cross multiply
    879,238.01x = 1,213,348.46 × 497,256.59
  4. Step 4: Simplify right side
    879,238.01x = 603,345,509,148.33
  5. Step 5: Solve for x
    x = 603,345,509,148.33/879,238.01
  6. Step 6: Final answer
    x = 686,214.09

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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.