Home / 931,756.74-1,397,666.19-257,781.60

Finding the Fourth Proportional to 931,756.74, 1,397,666.19 and 257,781.60

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Solution

The fourth proportional to 931,756.74, 1,397,666.19 and 257,781.60 is: 386,681.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,756.74 : 1,397,666.19 = 257,781.60 : x
  2. Step 2: Convert to fraction form
    931,756.74/1,397,666.19 = 257,781.60/x
  3. Step 3: Cross multiply
    931,756.74x = 1,397,666.19 × 257,781.60
  4. Step 4: Simplify right side
    931,756.74x = 360,292,626,724.10
  5. Step 5: Solve for x
    x = 360,292,626,724.10/931,756.74
  6. Step 6: Final answer
    x = 386,681.00

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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.