Home / 788,500.09-1,088,130.56-425,923.95

Finding the Fourth Proportional to 788,500.09, 1,088,130.56 and 425,923.95

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Solution

The fourth proportional to 788,500.09, 1,088,130.56 and 425,923.95 is: 587,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,500.09 : 1,088,130.56 = 425,923.95 : x
  2. Step 2: Convert to fraction form
    788,500.09/1,088,130.56 = 425,923.95/x
  3. Step 3: Cross multiply
    788,500.09x = 1,088,130.56 × 425,923.95
  4. Step 4: Simplify right side
    788,500.09x = 463,460,864,101.29
  5. Step 5: Solve for x
    x = 463,460,864,101.29/788,500.09
  6. Step 6: Final answer
    x = 587,775.29

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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.