Home / 919,319.23-1,268,701.47-766,100.91

Finding the Fourth Proportional to 919,319.23, 1,268,701.47 and 766,100.91

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Solution

The fourth proportional to 919,319.23, 1,268,701.47 and 766,100.91 is: 1,057,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,319.23 : 1,268,701.47 = 766,100.91 : x
  2. Step 2: Convert to fraction form
    919,319.23/1,268,701.47 = 766,100.91/x
  3. Step 3: Cross multiply
    919,319.23x = 1,268,701.47 × 766,100.91
  4. Step 4: Simplify right side
    919,319.23x = 971,953,350,685.34
  5. Step 5: Solve for x
    x = 971,953,350,685.34/919,319.23
  6. Step 6: Final answer
    x = 1,057,253.37

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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.