Home / 1,772,196.90-2,658,166.38-692,507.22

Finding the Fourth Proportional to 1,772,196.90, 2,658,166.38 and 692,507.22

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Solution

The fourth proportional to 1,772,196.90, 2,658,166.38 and 692,507.22 is: 1,038,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,196.90 : 2,658,166.38 = 692,507.22 : x
  2. Step 2: Convert to fraction form
    1,772,196.90/2,658,166.38 = 692,507.22/x
  3. Step 3: Cross multiply
    1,772,196.90x = 2,658,166.38 × 692,507.22
  4. Step 4: Simplify right side
    1,772,196.90x = 1,840,799,410,111.26
  5. Step 5: Solve for x
    x = 1,840,799,410,111.26/1,772,196.90
  6. Step 6: Final answer
    x = 1,038,710.43

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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.