Home / 1,537,113.90-2,305,754.94-638,646.48

Finding the Fourth Proportional to 1,537,113.90, 2,305,754.94 and 638,646.48

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Solution

The fourth proportional to 1,537,113.90, 2,305,754.94 and 638,646.48 is: 958,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,113.90 : 2,305,754.94 = 638,646.48 : x
  2. Step 2: Convert to fraction form
    1,537,113.90/2,305,754.94 = 638,646.48/x
  3. Step 3: Cross multiply
    1,537,113.90x = 2,305,754.94 × 638,646.48
  4. Step 4: Simplify right side
    1,537,113.90x = 1,472,562,276,173.61
  5. Step 5: Solve for x
    x = 1,472,562,276,173.61/1,537,113.90
  6. Step 6: Final answer
    x = 958,004.66

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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.