Home / 623,913.60-861,106.64-352,058.58

Finding the Fourth Proportional to 623,913.60, 861,106.64 and 352,058.58

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Solution

The fourth proportional to 623,913.60, 861,106.64 and 352,058.58 is: 485,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,913.60 : 861,106.64 = 352,058.58 : x
  2. Step 2: Convert to fraction form
    623,913.60/861,106.64 = 352,058.58/x
  3. Step 3: Cross multiply
    623,913.60x = 861,106.64 × 352,058.58
  4. Step 4: Simplify right side
    623,913.60x = 303,159,980,906.97
  5. Step 5: Solve for x
    x = 303,159,980,906.97/623,913.60
  6. Step 6: Final answer
    x = 485,900.58

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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.