Home / 1,712,564.98-2,363,312.60-938,189.28

Finding the Fourth Proportional to 1,712,564.98, 2,363,312.60 and 938,189.28

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Solution

The fourth proportional to 1,712,564.98, 2,363,312.60 and 938,189.28 is: 1,294,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,564.98 : 2,363,312.60 = 938,189.28 : x
  2. Step 2: Convert to fraction form
    1,712,564.98/2,363,312.60 = 938,189.28/x
  3. Step 3: Cross multiply
    1,712,564.98x = 2,363,312.60 × 938,189.28
  4. Step 4: Simplify right side
    1,712,564.98x = 2,217,234,554,298.61
  5. Step 5: Solve for x
    x = 2,217,234,554,298.61/1,712,564.98
  6. Step 6: Final answer
    x = 1,294,686.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.