Home / 1,205,140.83-1,807,721.84-306,583.52

Finding the Fourth Proportional to 1,205,140.83, 1,807,721.84 and 306,583.52

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Solution

The fourth proportional to 1,205,140.83, 1,807,721.84 and 306,583.52 is: 459,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,140.83 : 1,807,721.84 = 306,583.52 : x
  2. Step 2: Convert to fraction form
    1,205,140.83/1,807,721.84 = 306,583.52/x
  3. Step 3: Cross multiply
    1,205,140.83x = 1,807,721.84 × 306,583.52
  4. Step 4: Simplify right side
    1,205,140.83x = 554,217,724,888.08
  5. Step 5: Solve for x
    x = 554,217,724,888.08/1,205,140.83
  6. Step 6: Final answer
    x = 459,877.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.