Home / 776,484.78-1,071,540.47-432,313.17

Finding the Fourth Proportional to 776,484.78, 1,071,540.47 and 432,313.17

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Solution

The fourth proportional to 776,484.78, 1,071,540.47 and 432,313.17 is: 596,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,484.78 : 1,071,540.47 = 432,313.17 : x
  2. Step 2: Convert to fraction form
    776,484.78/1,071,540.47 = 432,313.17/x
  3. Step 3: Cross multiply
    776,484.78x = 1,071,540.47 × 432,313.17
  4. Step 4: Simplify right side
    776,484.78x = 463,241,062,256.74
  5. Step 5: Solve for x
    x = 463,241,062,256.74/776,484.78
  6. Step 6: Final answer
    x = 596,587.43

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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.