Home / 1,220,064.19-1,831,193.93-651,930.93

Finding the Fourth Proportional to 1,220,064.19, 1,831,193.93 and 651,930.93

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Solution

The fourth proportional to 1,220,064.19, 1,831,193.93 and 651,930.93 is: 978,482.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,064.19 : 1,831,193.93 = 651,930.93 : x
  2. Step 2: Convert to fraction form
    1,220,064.19/1,831,193.93 = 651,930.93/x
  3. Step 3: Cross multiply
    1,220,064.19x = 1,831,193.93 × 651,930.93
  4. Step 4: Simplify right side
    1,220,064.19x = 1,193,811,963,425.08
  5. Step 5: Solve for x
    x = 1,193,811,963,425.08/1,220,064.19
  6. Step 6: Final answer
    x = 978,482.92

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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.