Home / 623,996.16-861,040.64-352,048.18

Finding the Fourth Proportional to 623,996.16, 861,040.64 and 352,048.18

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Solution

The fourth proportional to 623,996.16, 861,040.64 and 352,048.18 is: 485,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,996.16 : 861,040.64 = 352,048.18 : x
  2. Step 2: Convert to fraction form
    623,996.16/861,040.64 = 352,048.18/x
  3. Step 3: Cross multiply
    623,996.16x = 861,040.64 × 352,048.18
  4. Step 4: Simplify right side
    623,996.16x = 303,127,790,218.04
  5. Step 5: Solve for x
    x = 303,127,790,218.04/623,996.16
  6. Step 6: Final answer
    x = 485,784.70

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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.