Home / 621,210.06-855,154.26-459,760.86

Finding the Fourth Proportional to 621,210.06, 855,154.26 and 459,760.86

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Solution

The fourth proportional to 621,210.06, 855,154.26 and 459,760.86 is: 632,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,210.06 : 855,154.26 = 459,760.86 : x
  2. Step 2: Convert to fraction form
    621,210.06/855,154.26 = 459,760.86/x
  3. Step 3: Cross multiply
    621,210.06x = 855,154.26 × 459,760.86
  4. Step 4: Simplify right side
    621,210.06x = 393,166,458,010.26
  5. Step 5: Solve for x
    x = 393,166,458,010.26/621,210.06
  6. Step 6: Final answer
    x = 632,904.20

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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.