Home / 786,598.17-1,085,537.88-442,450.17

Finding the Fourth Proportional to 786,598.17, 1,085,537.88 and 442,450.17

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Solution

The fourth proportional to 786,598.17, 1,085,537.88 and 442,450.17 is: 610,599.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,598.17 : 1,085,537.88 = 442,450.17 : x
  2. Step 2: Convert to fraction form
    786,598.17/1,085,537.88 = 442,450.17/x
  3. Step 3: Cross multiply
    786,598.17x = 1,085,537.88 × 442,450.17
  4. Step 4: Simplify right side
    786,598.17x = 480,296,419,547.44
  5. Step 5: Solve for x
    x = 480,296,419,547.44/786,598.17
  6. Step 6: Final answer
    x = 610,599.46

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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.