Home / 1,539,088.87-2,308,728.47-514,511.34

Finding the Fourth Proportional to 1,539,088.87, 2,308,728.47 and 514,511.34

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Solution

The fourth proportional to 1,539,088.87, 2,308,728.47 and 514,511.34 is: 771,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,088.87 : 2,308,728.47 = 514,511.34 : x
  2. Step 2: Convert to fraction form
    1,539,088.87/2,308,728.47 = 514,511.34/x
  3. Step 3: Cross multiply
    1,539,088.87x = 2,308,728.47 × 514,511.34
  4. Step 4: Simplify right side
    1,539,088.87x = 1,187,866,978,795.85
  5. Step 5: Solve for x
    x = 1,187,866,978,795.85/1,539,088.87
  6. Step 6: Final answer
    x = 771,798.82

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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.