Home / 931,708.80-1,398,614.40-616,780.80

Finding the Fourth Proportional to 931,708.80, 1,398,614.40 and 616,780.80

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Solution

The fourth proportional to 931,708.80, 1,398,614.40 and 616,780.80 is: 925,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,708.80 : 1,398,614.40 = 616,780.80 : x
  2. Step 2: Convert to fraction form
    931,708.80/1,398,614.40 = 616,780.80/x
  3. Step 3: Cross multiply
    931,708.80x = 1,398,614.40 × 616,780.80
  4. Step 4: Simplify right side
    931,708.80x = 862,638,508,523.52
  5. Step 5: Solve for x
    x = 862,638,508,523.52/931,708.80
  6. Step 6: Final answer
    x = 925,867.08

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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.