Home / 674,749.56-930,785.76-432,762.84

Finding the Fourth Proportional to 674,749.56, 930,785.76 and 432,762.84

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Solution

The fourth proportional to 674,749.56, 930,785.76 and 432,762.84 is: 596,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,749.56 : 930,785.76 = 432,762.84 : x
  2. Step 2: Convert to fraction form
    674,749.56/930,785.76 = 432,762.84/x
  3. Step 3: Cross multiply
    674,749.56x = 930,785.76 × 432,762.84
  4. Step 4: Simplify right side
    674,749.56x = 402,809,488,929.16
  5. Step 5: Solve for x
    x = 402,809,488,929.16/674,749.56
  6. Step 6: Final answer
    x = 596,976.29

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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.