Home / 1,562,391.60-2,156,117.40-917,838.96

Finding the Fourth Proportional to 1,562,391.60, 2,156,117.40 and 917,838.96

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Solution

The fourth proportional to 1,562,391.60, 2,156,117.40 and 917,838.96 is: 1,266,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,391.60 : 2,156,117.40 = 917,838.96 : x
  2. Step 2: Convert to fraction form
    1,562,391.60/2,156,117.40 = 917,838.96/x
  3. Step 3: Cross multiply
    1,562,391.60x = 2,156,117.40 × 917,838.96
  4. Step 4: Simplify right side
    1,562,391.60x = 1,978,968,552,053.90
  5. Step 5: Solve for x
    x = 1,978,968,552,053.90/1,562,391.60
  6. Step 6: Final answer
    x = 1,266,627.75

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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.