Home / 1,525,176.93-2,102,829.12-1,116,569.40

Finding the Fourth Proportional to 1,525,176.93, 2,102,829.12 and 1,116,569.40

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Solution

The fourth proportional to 1,525,176.93, 2,102,829.12 and 1,116,569.40 is: 1,539,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,176.93 : 2,102,829.12 = 1,116,569.40 : x
  2. Step 2: Convert to fraction form
    1,525,176.93/2,102,829.12 = 1,116,569.40/x
  3. Step 3: Cross multiply
    1,525,176.93x = 2,102,829.12 × 1,116,569.40
  4. Step 4: Simplify right side
    1,525,176.93x = 2,347,954,648,820.93
  5. Step 5: Solve for x
    x = 2,347,954,648,820.93/1,525,176.93
  6. Step 6: Final answer
    x = 1,539,463.78

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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.