Home / 674,263.67-930,512.24-387,784.08

Finding the Fourth Proportional to 674,263.67, 930,512.24 and 387,784.08

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Solution

The fourth proportional to 674,263.67, 930,512.24 and 387,784.08 is: 535,158.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,263.67 : 930,512.24 = 387,784.08 : x
  2. Step 2: Convert to fraction form
    674,263.67/930,512.24 = 387,784.08/x
  3. Step 3: Cross multiply
    674,263.67x = 930,512.24 × 387,784.08
  4. Step 4: Simplify right side
    674,263.67x = 360,837,833,886.60
  5. Step 5: Solve for x
    x = 360,837,833,886.60/674,263.67
  6. Step 6: Final answer
    x = 535,158.36

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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.