Home / 1,913,179.32-2,869,934.19-493,223.40

Finding the Fourth Proportional to 1,913,179.32, 2,869,934.19 and 493,223.40

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Solution

The fourth proportional to 1,913,179.32, 2,869,934.19 and 493,223.40 is: 739,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,179.32 : 2,869,934.19 = 493,223.40 : x
  2. Step 2: Convert to fraction form
    1,913,179.32/2,869,934.19 = 493,223.40/x
  3. Step 3: Cross multiply
    1,913,179.32x = 2,869,934.19 × 493,223.40
  4. Step 4: Simplify right side
    1,913,179.32x = 1,415,518,698,968.05
  5. Step 5: Solve for x
    x = 1,415,518,698,968.05/1,913,179.32
  6. Step 6: Final answer
    x = 739,877.69

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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.