Home / 824,673.77-1,138,022.24-457,135.46

Finding the Fourth Proportional to 824,673.77, 1,138,022.24 and 457,135.46

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Solution

The fourth proportional to 824,673.77, 1,138,022.24 and 457,135.46 is: 630,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,673.77 : 1,138,022.24 = 457,135.46 : x
  2. Step 2: Convert to fraction form
    824,673.77/1,138,022.24 = 457,135.46/x
  3. Step 3: Cross multiply
    824,673.77x = 1,138,022.24 × 457,135.46
  4. Step 4: Simplify right side
    824,673.77x = 520,230,317,886.95
  5. Step 5: Solve for x
    x = 520,230,317,886.95/824,673.77
  6. Step 6: Final answer
    x = 630,831.65

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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.