Home / 1,223,261.60-1,688,091.03-671,986.53

Finding the Fourth Proportional to 1,223,261.60, 1,688,091.03 and 671,986.53

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Solution

The fourth proportional to 1,223,261.60, 1,688,091.03 and 671,986.53 is: 927,335.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,261.60 : 1,688,091.03 = 671,986.53 : x
  2. Step 2: Convert to fraction form
    1,223,261.60/1,688,091.03 = 671,986.53/x
  3. Step 3: Cross multiply
    1,223,261.60x = 1,688,091.03 × 671,986.53
  4. Step 4: Simplify right side
    1,223,261.60x = 1,134,374,433,573.83
  5. Step 5: Solve for x
    x = 1,134,374,433,573.83/1,223,261.60
  6. Step 6: Final answer
    x = 927,335.93

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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.