Home / 774,528.18-1,160,961.63-374,618.82

Finding the Fourth Proportional to 774,528.18, 1,160,961.63 and 374,618.82

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Solution

The fourth proportional to 774,528.18, 1,160,961.63 and 374,618.82 is: 561,526.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,528.18 : 1,160,961.63 = 374,618.82 : x
  2. Step 2: Convert to fraction form
    774,528.18/1,160,961.63 = 374,618.82/x
  3. Step 3: Cross multiply
    774,528.18x = 1,160,961.63 × 374,618.82
  4. Step 4: Simplify right side
    774,528.18x = 434,918,075,895.88
  5. Step 5: Solve for x
    x = 434,918,075,895.88/774,528.18
  6. Step 6: Final answer
    x = 561,526.47

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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.