Home / 987,050.02-1,362,118.50-557,304.52

Finding the Fourth Proportional to 987,050.02, 1,362,118.50 and 557,304.52

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Solution

The fourth proportional to 987,050.02, 1,362,118.50 and 557,304.52 is: 769,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,050.02 : 1,362,118.50 = 557,304.52 : x
  2. Step 2: Convert to fraction form
    987,050.02/1,362,118.50 = 557,304.52/x
  3. Step 3: Cross multiply
    987,050.02x = 1,362,118.50 × 557,304.52
  4. Step 4: Simplify right side
    987,050.02x = 759,114,796,825.62
  5. Step 5: Solve for x
    x = 759,114,796,825.62/987,050.02
  6. Step 6: Final answer
    x = 769,074.29

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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.