Home / 459,570.20-634,197.75-255,616.74

Finding the Fourth Proportional to 459,570.20, 634,197.75 and 255,616.74

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Solution

The fourth proportional to 459,570.20, 634,197.75 and 255,616.74 is: 352,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,570.20 : 634,197.75 = 255,616.74 : x
  2. Step 2: Convert to fraction form
    459,570.20/634,197.75 = 255,616.74/x
  3. Step 3: Cross multiply
    459,570.20x = 634,197.75 × 255,616.74
  4. Step 4: Simplify right side
    459,570.20x = 162,111,561,370.34
  5. Step 5: Solve for x
    x = 162,111,561,370.34/459,570.20
  6. Step 6: Final answer
    x = 352,746.03

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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.