Home / 776,174.87-1,071,119.69-436,643.12

Finding the Fourth Proportional to 776,174.87, 1,071,119.69 and 436,643.12

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Solution

The fourth proportional to 776,174.87, 1,071,119.69 and 436,643.12 is: 602,566.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,174.87 : 1,071,119.69 = 436,643.12 : x
  2. Step 2: Convert to fraction form
    776,174.87/1,071,119.69 = 436,643.12/x
  3. Step 3: Cross multiply
    776,174.87x = 1,071,119.69 × 436,643.12
  4. Step 4: Simplify right side
    776,174.87x = 467,697,035,796.22
  5. Step 5: Solve for x
    x = 467,697,035,796.22/776,174.87
  6. Step 6: Final answer
    x = 602,566.58

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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.