Home / 760,692.99-1,049,826.74-421,161.24

Finding the Fourth Proportional to 760,692.99, 1,049,826.74 and 421,161.24

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Solution

The fourth proportional to 760,692.99, 1,049,826.74 and 421,161.24 is: 581,241.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,692.99 : 1,049,826.74 = 421,161.24 : x
  2. Step 2: Convert to fraction form
    760,692.99/1,049,826.74 = 421,161.24/x
  3. Step 3: Cross multiply
    760,692.99x = 1,049,826.74 × 421,161.24
  4. Step 4: Simplify right side
    760,692.99x = 442,146,330,031.89
  5. Step 5: Solve for x
    x = 442,146,330,031.89/760,692.99
  6. Step 6: Final answer
    x = 581,241.50

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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.