Home / 448,171.02-618,460.29-251,931.51

Finding the Fourth Proportional to 448,171.02, 618,460.29 and 251,931.51

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Solution

The fourth proportional to 448,171.02, 618,460.29 and 251,931.51 is: 347,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,171.02 : 618,460.29 = 251,931.51 : x
  2. Step 2: Convert to fraction form
    448,171.02/618,460.29 = 251,931.51/x
  3. Step 3: Cross multiply
    448,171.02x = 618,460.29 × 251,931.51
  4. Step 4: Simplify right side
    448,171.02x = 155,809,634,734.74
  5. Step 5: Solve for x
    x = 155,809,634,734.74/448,171.02
  6. Step 6: Final answer
    x = 347,656.65

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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.