Home / 931,215.51-1,285,111.23-523,325.43

Finding the Fourth Proportional to 931,215.51, 1,285,111.23 and 523,325.43

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Solution

The fourth proportional to 931,215.51, 1,285,111.23 and 523,325.43 is: 722,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,215.51 : 1,285,111.23 = 523,325.43 : x
  2. Step 2: Convert to fraction form
    931,215.51/1,285,111.23 = 523,325.43/x
  3. Step 3: Cross multiply
    931,215.51x = 1,285,111.23 × 523,325.43
  4. Step 4: Simplify right side
    931,215.51x = 672,531,387,037.58
  5. Step 5: Solve for x
    x = 672,531,387,037.58/931,215.51
  6. Step 6: Final answer
    x = 722,208.10

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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.