Home / 1,772,129.38-2,658,065.57-692,438.92

Finding the Fourth Proportional to 1,772,129.38, 2,658,065.57 and 692,438.92

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Solution

The fourth proportional to 1,772,129.38, 2,658,065.57 and 692,438.92 is: 1,038,608.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,129.38 : 2,658,065.57 = 692,438.92 : x
  2. Step 2: Convert to fraction form
    1,772,129.38/2,658,065.57 = 692,438.92/x
  3. Step 3: Cross multiply
    1,772,129.38x = 2,658,065.57 × 692,438.92
  4. Step 4: Simplify right side
    1,772,129.38x = 1,840,548,035,827.46
  5. Step 5: Solve for x
    x = 1,840,548,035,827.46/1,772,129.38
  6. Step 6: Final answer
    x = 1,038,608.16

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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.