Home / 1,171,345.50-1,616,457.87-634,801.50

Finding the Fourth Proportional to 1,171,345.50, 1,616,457.87 and 634,801.50

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Solution

The fourth proportional to 1,171,345.50, 1,616,457.87 and 634,801.50 is: 876,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,345.50 : 1,616,457.87 = 634,801.50 : x
  2. Step 2: Convert to fraction form
    1,171,345.50/1,616,457.87 = 634,801.50/x
  3. Step 3: Cross multiply
    1,171,345.50x = 1,616,457.87 × 634,801.50
  4. Step 4: Simplify right side
    1,171,345.50x = 1,026,129,880,562.81
  5. Step 5: Solve for x
    x = 1,026,129,880,562.81/1,171,345.50
  6. Step 6: Final answer
    x = 876,026.66

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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.