Home / 1,299,384.02-1,949,269.84-540,793.57

Finding the Fourth Proportional to 1,299,384.02, 1,949,269.84 and 540,793.57

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Solution

The fourth proportional to 1,299,384.02, 1,949,269.84 and 540,793.57 is: 811,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,384.02 : 1,949,269.84 = 540,793.57 : x
  2. Step 2: Convert to fraction form
    1,299,384.02/1,949,269.84 = 540,793.57/x
  3. Step 3: Cross multiply
    1,299,384.02x = 1,949,269.84 × 540,793.57
  4. Step 4: Simplify right side
    1,299,384.02x = 1,054,152,585,920.58
  5. Step 5: Solve for x
    x = 1,054,152,585,920.58/1,299,384.02
  6. Step 6: Final answer
    x = 811,271.01

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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.