Home / 1,457,160.53-2,186,224.65-647,432.28

Finding the Fourth Proportional to 1,457,160.53, 2,186,224.65 and 647,432.28

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Solution

The fourth proportional to 1,457,160.53, 2,186,224.65 and 647,432.28 is: 971,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,160.53 : 2,186,224.65 = 647,432.28 : x
  2. Step 2: Convert to fraction form
    1,457,160.53/2,186,224.65 = 647,432.28/x
  3. Step 3: Cross multiply
    1,457,160.53x = 2,186,224.65 × 647,432.28
  4. Step 4: Simplify right side
    1,457,160.53x = 1,415,432,409,741.70
  5. Step 5: Solve for x
    x = 1,415,432,409,741.70/1,457,160.53
  6. Step 6: Final answer
    x = 971,363.41

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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.