Home / 862,072.95-1,189,571.18-530,876.24

Finding the Fourth Proportional to 862,072.95, 1,189,571.18 and 530,876.24

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Solution

The fourth proportional to 862,072.95, 1,189,571.18 and 530,876.24 is: 732,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,072.95 : 1,189,571.18 = 530,876.24 : x
  2. Step 2: Convert to fraction form
    862,072.95/1,189,571.18 = 530,876.24/x
  3. Step 3: Cross multiply
    862,072.95x = 1,189,571.18 × 530,876.24
  4. Step 4: Simplify right side
    862,072.95x = 631,515,075,250.76
  5. Step 5: Solve for x
    x = 631,515,075,250.76/862,072.95
  6. Step 6: Final answer
    x = 732,554.10

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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.