Home / 1,537,111.40-2,305,751.16-638,643.98

Finding the Fourth Proportional to 1,537,111.40, 2,305,751.16 and 638,643.98

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Solution

The fourth proportional to 1,537,111.40, 2,305,751.16 and 638,643.98 is: 958,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,111.40 : 2,305,751.16 = 638,643.98 : x
  2. Step 2: Convert to fraction form
    1,537,111.40/2,305,751.16 = 638,643.98/x
  3. Step 3: Cross multiply
    1,537,111.40x = 2,305,751.16 × 638,643.98
  4. Step 4: Simplify right side
    1,537,111.40x = 1,472,554,097,712.02
  5. Step 5: Solve for x
    x = 1,472,554,097,712.02/1,537,111.40
  6. Step 6: Final answer
    x = 958,000.90

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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.