Home / 788,518.05-1,088,155.50-425,941.91

Finding the Fourth Proportional to 788,518.05, 1,088,155.50 and 425,941.91

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Solution

The fourth proportional to 788,518.05, 1,088,155.50 and 425,941.91 is: 587,800.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,518.05 : 1,088,155.50 = 425,941.91 : x
  2. Step 2: Convert to fraction form
    788,518.05/1,088,155.50 = 425,941.91/x
  3. Step 3: Cross multiply
    788,518.05x = 1,088,155.50 × 425,941.91
  4. Step 4: Simplify right side
    788,518.05x = 463,491,029,917.30
  5. Step 5: Solve for x
    x = 463,491,029,917.30/788,518.05
  6. Step 6: Final answer
    x = 587,800.16

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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.