Home / 1,115,307.39-1,539,138.21-606,018.27

Finding the Fourth Proportional to 1,115,307.39, 1,539,138.21 and 606,018.27

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Solution

The fourth proportional to 1,115,307.39, 1,539,138.21 and 606,018.27 is: 836,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,307.39 : 1,539,138.21 = 606,018.27 : x
  2. Step 2: Convert to fraction form
    1,115,307.39/1,539,138.21 = 606,018.27/x
  3. Step 3: Cross multiply
    1,115,307.39x = 1,539,138.21 × 606,018.27
  4. Step 4: Simplify right side
    1,115,307.39x = 932,745,875,315.10
  5. Step 5: Solve for x
    x = 932,745,875,315.10/1,115,307.39
  6. Step 6: Final answer
    x = 836,312.83

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Double scale
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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.