Home / 727,480.08-1,003,574.80-565,224.72

Finding the Fourth Proportional to 727,480.08, 1,003,574.80 and 565,224.72

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Solution

The fourth proportional to 727,480.08, 1,003,574.80 and 565,224.72 is: 779,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,480.08 : 1,003,574.80 = 565,224.72 : x
  2. Step 2: Convert to fraction form
    727,480.08/1,003,574.80 = 565,224.72/x
  3. Step 3: Cross multiply
    727,480.08x = 1,003,574.80 × 565,224.72
  4. Step 4: Simplify right side
    727,480.08x = 567,245,285,329.06
  5. Step 5: Solve for x
    x = 567,245,285,329.06/727,480.08
  6. Step 6: Final answer
    x = 779,739.96

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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.