Home / 783,897.30-1,081,776.51-435,091.17

Finding the Fourth Proportional to 783,897.30, 1,081,776.51 and 435,091.17

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Solution

The fourth proportional to 783,897.30, 1,081,776.51 and 435,091.17 is: 600,424.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,897.30 : 1,081,776.51 = 435,091.17 : x
  2. Step 2: Convert to fraction form
    783,897.30/1,081,776.51 = 435,091.17/x
  3. Step 3: Cross multiply
    783,897.30x = 1,081,776.51 × 435,091.17
  4. Step 4: Simplify right side
    783,897.30x = 470,671,407,414.42
  5. Step 5: Solve for x
    x = 470,671,407,414.42/783,897.30
  6. Step 6: Final answer
    x = 600,424.84

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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.