Home / 1,457,126.49-2,186,173.74-647,398.23

Finding the Fourth Proportional to 1,457,126.49, 2,186,173.74 and 647,398.23

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Solution

The fourth proportional to 1,457,126.49, 2,186,173.74 and 647,398.23 is: 971,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,126.49 : 2,186,173.74 = 647,398.23 : x
  2. Step 2: Convert to fraction form
    1,457,126.49/2,186,173.74 = 647,398.23/x
  3. Step 3: Cross multiply
    1,457,126.49x = 2,186,173.74 × 647,398.23
  4. Step 4: Simplify right side
    1,457,126.49x = 1,415,325,009,748.48
  5. Step 5: Solve for x
    x = 1,415,325,009,748.48/1,457,126.49
  6. Step 6: Final answer
    x = 971,312.39

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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.