Home / 1,772,128.62-2,658,064.44-692,438.16

Finding the Fourth Proportional to 1,772,128.62, 2,658,064.44 and 692,438.16

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Solution

The fourth proportional to 1,772,128.62, 2,658,064.44 and 692,438.16 is: 1,038,607.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,128.62 : 2,658,064.44 = 692,438.16 : x
  2. Step 2: Convert to fraction form
    1,772,128.62/2,658,064.44 = 692,438.16/x
  3. Step 3: Cross multiply
    1,772,128.62x = 2,658,064.44 × 692,438.16
  4. Step 4: Simplify right side
    1,772,128.62x = 1,840,545,256,640.19
  5. Step 5: Solve for x
    x = 1,840,545,256,640.19/1,772,128.62
  6. Step 6: Final answer
    x = 1,038,607.04

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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.