Home / 717,755.06-1,075,616.91-398,047.52

Finding the Fourth Proportional to 717,755.06, 1,075,616.91 and 398,047.52

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Solution

The fourth proportional to 717,755.06, 1,075,616.91 and 398,047.52 is: 596,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,755.06 : 1,075,616.91 = 398,047.52 : x
  2. Step 2: Convert to fraction form
    717,755.06/1,075,616.91 = 398,047.52/x
  3. Step 3: Cross multiply
    717,755.06x = 1,075,616.91 × 398,047.52
  4. Step 4: Simplify right side
    717,755.06x = 428,146,638,117.48
  5. Step 5: Solve for x
    x = 428,146,638,117.48/717,755.06
  6. Step 6: Final answer
    x = 596,508.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.