Home / 766,393.29-1,057,514.27-435,237.75

Finding the Fourth Proportional to 766,393.29, 1,057,514.27 and 435,237.75

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Solution

The fourth proportional to 766,393.29, 1,057,514.27 and 435,237.75 is: 600,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,393.29 : 1,057,514.27 = 435,237.75 : x
  2. Step 2: Convert to fraction form
    766,393.29/1,057,514.27 = 435,237.75/x
  3. Step 3: Cross multiply
    766,393.29x = 1,057,514.27 × 435,237.75
  4. Step 4: Simplify right side
    766,393.29x = 460,270,129,291.50
  5. Step 5: Solve for x
    x = 460,270,129,291.50/766,393.29
  6. Step 6: Final answer
    x = 600,566.49

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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.