Home / 879,594.19-1,213,831.78-497,620.97

Finding the Fourth Proportional to 879,594.19, 1,213,831.78 and 497,620.97

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Solution

The fourth proportional to 879,594.19, 1,213,831.78 and 497,620.97 is: 686,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,594.19 : 1,213,831.78 = 497,620.97 : x
  2. Step 2: Convert to fraction form
    879,594.19/1,213,831.78 = 497,620.97/x
  3. Step 3: Cross multiply
    879,594.19x = 1,213,831.78 × 497,620.97
  4. Step 4: Simplify right side
    879,594.19x = 604,028,145,019.09
  5. Step 5: Solve for x
    x = 604,028,145,019.09/879,594.19
  6. Step 6: Final answer
    x = 686,712.30

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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.