Home / 860,896.17-1,187,715.83-538,483.77

Finding the Fourth Proportional to 860,896.17, 1,187,715.83 and 538,483.77

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Solution

The fourth proportional to 860,896.17, 1,187,715.83 and 538,483.77 is: 742,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,896.17 : 1,187,715.83 = 538,483.77 : x
  2. Step 2: Convert to fraction form
    860,896.17/1,187,715.83 = 538,483.77/x
  3. Step 3: Cross multiply
    860,896.17x = 1,187,715.83 × 538,483.77
  4. Step 4: Simplify right side
    860,896.17x = 639,565,695,134.66
  5. Step 5: Solve for x
    x = 639,565,695,134.66/860,896.17
  6. Step 6: Final answer
    x = 742,906.89

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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.