Home / 835,385.21-1,152,832.73-453,412.02

Finding the Fourth Proportional to 835,385.21, 1,152,832.73 and 453,412.02

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Solution

The fourth proportional to 835,385.21, 1,152,832.73 and 453,412.02 is: 625,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,385.21 : 1,152,832.73 = 453,412.02 : x
  2. Step 2: Convert to fraction form
    835,385.21/1,152,832.73 = 453,412.02/x
  3. Step 3: Cross multiply
    835,385.21x = 1,152,832.73 × 453,412.02
  4. Step 4: Simplify right side
    835,385.21x = 522,708,216,831.42
  5. Step 5: Solve for x
    x = 522,708,216,831.42/835,385.21
  6. Step 6: Final answer
    x = 625,709.21

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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.