Home / 697,192.25-962,125.32-395,386.25

Finding the Fourth Proportional to 697,192.25, 962,125.32 and 395,386.25

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Solution

The fourth proportional to 697,192.25, 962,125.32 and 395,386.25 is: 545,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,192.25 : 962,125.32 = 395,386.25 : x
  2. Step 2: Convert to fraction form
    697,192.25/962,125.32 = 395,386.25/x
  3. Step 3: Cross multiply
    697,192.25x = 962,125.32 × 395,386.25
  4. Step 4: Simplify right side
    697,192.25x = 380,411,122,304.85
  5. Step 5: Solve for x
    x = 380,411,122,304.85/697,192.25
  6. Step 6: Final answer
    x = 545,633.03

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Double scale
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1.5x scale

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.