Home / 839,706.65-1,158,082.11-709,522.13

Finding the Fourth Proportional to 839,706.65, 1,158,082.11 and 709,522.13

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Solution

The fourth proportional to 839,706.65, 1,158,082.11 and 709,522.13 is: 978,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,706.65 : 1,158,082.11 = 709,522.13 : x
  2. Step 2: Convert to fraction form
    839,706.65/1,158,082.11 = 709,522.13/x
  3. Step 3: Cross multiply
    839,706.65x = 1,158,082.11 × 709,522.13
  4. Step 4: Simplify right side
    839,706.65x = 821,684,888,297.30
  5. Step 5: Solve for x
    x = 821,684,888,297.30/839,706.65
  6. Step 6: Final answer
    x = 978,538.03

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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.