Home / 774,063.06-1,068,209.64-429,899.82

Finding the Fourth Proportional to 774,063.06, 1,068,209.64 and 429,899.82

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Solution

The fourth proportional to 774,063.06, 1,068,209.64 and 429,899.82 is: 593,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,063.06 : 1,068,209.64 = 429,899.82 : x
  2. Step 2: Convert to fraction form
    774,063.06/1,068,209.64 = 429,899.82/x
  3. Step 3: Cross multiply
    774,063.06x = 1,068,209.64 × 429,899.82
  4. Step 4: Simplify right side
    774,063.06x = 459,223,131,958.27
  5. Step 5: Solve for x
    x = 459,223,131,958.27/774,063.06
  6. Step 6: Final answer
    x = 593,263.21

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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.