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Finding the Fourth Proportional to 1,784,712.60, 2,462,922.60 and 968,925.15

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Solution

The fourth proportional to 1,784,712.60, 2,462,922.60 and 968,925.15 is: 1,337,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,712.60 : 2,462,922.60 = 968,925.15 : x
  2. Step 2: Convert to fraction form
    1,784,712.60/2,462,922.60 = 968,925.15/x
  3. Step 3: Cross multiply
    1,784,712.60x = 2,462,922.60 × 968,925.15
  4. Step 4: Simplify right side
    1,784,712.60x = 2,386,387,649,643.39
  5. Step 5: Solve for x
    x = 2,386,387,649,643.39/1,784,712.60
  6. Step 6: Final answer
    x = 1,337,127.14

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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.