Home / 1,000,075.82-1,500,161.99-326,156.22

Finding the Fourth Proportional to 1,000,075.82, 1,500,161.99 and 326,156.22

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Solution

The fourth proportional to 1,000,075.82, 1,500,161.99 and 326,156.22 is: 489,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,075.82 : 1,500,161.99 = 326,156.22 : x
  2. Step 2: Convert to fraction form
    1,000,075.82/1,500,161.99 = 326,156.22/x
  3. Step 3: Cross multiply
    1,000,075.82x = 1,500,161.99 × 326,156.22
  4. Step 4: Simplify right side
    1,000,075.82x = 489,287,162,415.30
  5. Step 5: Solve for x
    x = 489,287,162,415.30/1,000,075.82
  6. Step 6: Final answer
    x = 489,250.07

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.