Home / 461,361.02-636,678.72-270,374.60

Finding the Fourth Proportional to 461,361.02, 636,678.72 and 270,374.60

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Solution

The fourth proportional to 461,361.02, 636,678.72 and 270,374.60 is: 373,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,361.02 : 636,678.72 = 270,374.60 : x
  2. Step 2: Convert to fraction form
    461,361.02/636,678.72 = 270,374.60/x
  3. Step 3: Cross multiply
    461,361.02x = 636,678.72 × 270,374.60
  4. Step 4: Simplify right side
    461,361.02x = 172,141,754,248.51
  5. Step 5: Solve for x
    x = 172,141,754,248.51/461,361.02
  6. Step 6: Final answer
    x = 373,117.25

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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.