Home / 776,015.86-1,070,894.15-431,845.91

Finding the Fourth Proportional to 776,015.86, 1,070,894.15 and 431,845.91

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Solution

The fourth proportional to 776,015.86, 1,070,894.15 and 431,845.91 is: 595,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,015.86 : 1,070,894.15 = 431,845.91 : x
  2. Step 2: Convert to fraction form
    776,015.86/1,070,894.15 = 431,845.91/x
  3. Step 3: Cross multiply
    776,015.86x = 1,070,894.15 × 431,845.91
  4. Step 4: Simplify right side
    776,015.86x = 462,461,256,561.20
  5. Step 5: Solve for x
    x = 462,461,256,561.20/776,015.86
  6. Step 6: Final answer
    x = 595,943.05

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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.