Home / 774,028.86-1,068,186.84-429,870.54

Finding the Fourth Proportional to 774,028.86, 1,068,186.84 and 429,870.54

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Solution

The fourth proportional to 774,028.86, 1,068,186.84 and 429,870.54 is: 593,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,028.86 : 1,068,186.84 = 429,870.54 : x
  2. Step 2: Convert to fraction form
    774,028.86/1,068,186.84 = 429,870.54/x
  3. Step 3: Cross multiply
    774,028.86x = 1,068,186.84 × 429,870.54
  4. Step 4: Simplify right side
    774,028.86x = 459,182,053,731.69
  5. Step 5: Solve for x
    x = 459,182,053,731.69/774,028.86
  6. Step 6: Final answer
    x = 593,236.35

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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.