Home / 935,075.64-1,290,100.52-572,121.12

Finding the Fourth Proportional to 935,075.64, 1,290,100.52 and 572,121.12

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Solution

The fourth proportional to 935,075.64, 1,290,100.52 and 572,121.12 is: 789,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,075.64 : 1,290,100.52 = 572,121.12 : x
  2. Step 2: Convert to fraction form
    935,075.64/1,290,100.52 = 572,121.12/x
  3. Step 3: Cross multiply
    935,075.64x = 1,290,100.52 × 572,121.12
  4. Step 4: Simplify right side
    935,075.64x = 738,093,754,414.98
  5. Step 5: Solve for x
    x = 738,093,754,414.98/935,075.64
  6. Step 6: Final answer
    x = 789,341.23

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Double scale
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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.