Home / 774,075.98-1,068,189.38-429,933.92

Finding the Fourth Proportional to 774,075.98, 1,068,189.38 and 429,933.92

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Solution

The fourth proportional to 774,075.98, 1,068,189.38 and 429,933.92 is: 593,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,075.98 : 1,068,189.38 = 429,933.92 : x
  2. Step 2: Convert to fraction form
    774,075.98/1,068,189.38 = 429,933.92/x
  3. Step 3: Cross multiply
    774,075.98x = 1,068,189.38 × 429,933.92
  4. Step 4: Simplify right side
    774,075.98x = 459,250,847,445.77
  5. Step 5: Solve for x
    x = 459,250,847,445.77/774,075.98
  6. Step 6: Final answer
    x = 593,289.11

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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.