Home / 1,276,152.68-1,912,424.75-707,784.19

Finding the Fourth Proportional to 1,276,152.68, 1,912,424.75 and 707,784.19

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Solution

The fourth proportional to 1,276,152.68, 1,912,424.75 and 707,784.19 is: 1,060,675.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,152.68 : 1,912,424.75 = 707,784.19 : x
  2. Step 2: Convert to fraction form
    1,276,152.68/1,912,424.75 = 707,784.19/x
  3. Step 3: Cross multiply
    1,276,152.68x = 1,912,424.75 × 707,784.19
  4. Step 4: Simplify right side
    1,276,152.68x = 1,353,583,989,513.66
  5. Step 5: Solve for x
    x = 1,353,583,989,513.66/1,276,152.68
  6. Step 6: Final answer
    x = 1,060,675.58

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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.