Home / 691,729.96-1,030,718.40-616,270.22

Finding the Fourth Proportional to 691,729.96, 1,030,718.40 and 616,270.22

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Solution

The fourth proportional to 691,729.96, 1,030,718.40 and 616,270.22 is: 918,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,729.96 : 1,030,718.40 = 616,270.22 : x
  2. Step 2: Convert to fraction form
    691,729.96/1,030,718.40 = 616,270.22/x
  3. Step 3: Cross multiply
    691,729.96x = 1,030,718.40 × 616,270.22
  4. Step 4: Simplify right side
    691,729.96x = 635,201,055,126.05
  5. Step 5: Solve for x
    x = 635,201,055,126.05/691,729.96
  6. Step 6: Final answer
    x = 918,278.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.