Home / 938,019.22-1,400,236.73-824,518.78

Finding the Fourth Proportional to 938,019.22, 1,400,236.73 and 824,518.78

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Solution

The fourth proportional to 938,019.22, 1,400,236.73 and 824,518.78 is: 1,230,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,019.22 : 1,400,236.73 = 824,518.78 : x
  2. Step 2: Convert to fraction form
    938,019.22/1,400,236.73 = 824,518.78/x
  3. Step 3: Cross multiply
    938,019.22x = 1,400,236.73 × 824,518.78
  4. Step 4: Simplify right side
    938,019.22x = 1,154,521,480,330.79
  5. Step 5: Solve for x
    x = 1,154,521,480,330.79/938,019.22
  6. Step 6: Final answer
    x = 1,230,807.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.