Home / 448,535.24-618,969.48-247,331.24

Finding the Fourth Proportional to 448,535.24, 618,969.48 and 247,331.24

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Solution

The fourth proportional to 448,535.24, 618,969.48 and 247,331.24 is: 341,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,535.24 : 618,969.48 = 247,331.24 : x
  2. Step 2: Convert to fraction form
    448,535.24/618,969.48 = 247,331.24/x
  3. Step 3: Cross multiply
    448,535.24x = 618,969.48 × 247,331.24
  4. Step 4: Simplify right side
    448,535.24x = 153,090,485,915.71
  5. Step 5: Solve for x
    x = 153,090,485,915.71/448,535.24
  6. Step 6: Final answer
    x = 341,312.06

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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.