Home / 623,929.12-861,022.32-352,054.68

Finding the Fourth Proportional to 623,929.12, 861,022.32 and 352,054.68

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Solution

The fourth proportional to 623,929.12, 861,022.32 and 352,054.68 is: 485,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,929.12 : 861,022.32 = 352,054.68 : x
  2. Step 2: Convert to fraction form
    623,929.12/861,022.32 = 352,054.68/x
  3. Step 3: Cross multiply
    623,929.12x = 861,022.32 × 352,054.68
  4. Step 4: Simplify right side
    623,929.12x = 303,126,937,340.46
  5. Step 5: Solve for x
    x = 303,126,937,340.46/623,929.12
  6. Step 6: Final answer
    x = 485,835.53

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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.