Home / 761,319.36-1,050,634.14-417,132.78

Finding the Fourth Proportional to 761,319.36, 1,050,634.14 and 417,132.78

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Solution

The fourth proportional to 761,319.36, 1,050,634.14 and 417,132.78 is: 575,650.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,319.36 : 1,050,634.14 = 417,132.78 : x
  2. Step 2: Convert to fraction form
    761,319.36/1,050,634.14 = 417,132.78/x
  3. Step 3: Cross multiply
    761,319.36x = 1,050,634.14 × 417,132.78
  4. Step 4: Simplify right side
    761,319.36x = 438,253,939,581.11
  5. Step 5: Solve for x
    x = 438,253,939,581.11/761,319.36
  6. Step 6: Final answer
    x = 575,650.59

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Double scale
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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.