Home / 776,136.17-1,071,066.23-436,604.42

Finding the Fourth Proportional to 776,136.17, 1,071,066.23 and 436,604.42

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Solution

The fourth proportional to 776,136.17, 1,071,066.23 and 436,604.42 is: 602,513.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,136.17 : 1,071,066.23 = 436,604.42 : x
  2. Step 2: Convert to fraction form
    776,136.17/1,071,066.23 = 436,604.42/x
  3. Step 3: Cross multiply
    776,136.17x = 1,071,066.23 × 436,604.42
  4. Step 4: Simplify right side
    776,136.17x = 467,632,250,130.74
  5. Step 5: Solve for x
    x = 467,632,250,130.74/776,136.17
  6. Step 6: Final answer
    x = 602,513.15

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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.