Home / 1,026,509.65-1,539,776.63-621,790.11

Finding the Fourth Proportional to 1,026,509.65, 1,539,776.63 and 621,790.11

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Solution

The fourth proportional to 1,026,509.65, 1,539,776.63 and 621,790.11 is: 932,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,509.65 : 1,539,776.63 = 621,790.11 : x
  2. Step 2: Convert to fraction form
    1,026,509.65/1,539,776.63 = 621,790.11/x
  3. Step 3: Cross multiply
    1,026,509.65x = 1,539,776.63 × 621,790.11
  4. Step 4: Simplify right side
    1,026,509.65x = 957,417,880,143.13
  5. Step 5: Solve for x
    x = 957,417,880,143.13/1,026,509.65
  6. Step 6: Final answer
    x = 932,692.53

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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.