Home / 1,035,272.90-1,553,784.15-404,639.30

Finding the Fourth Proportional to 1,035,272.90, 1,553,784.15 and 404,639.30

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Solution

The fourth proportional to 1,035,272.90, 1,553,784.15 and 404,639.30 is: 607,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,272.90 : 1,553,784.15 = 404,639.30 : x
  2. Step 2: Convert to fraction form
    1,035,272.90/1,553,784.15 = 404,639.30/x
  3. Step 3: Cross multiply
    1,035,272.90x = 1,553,784.15 × 404,639.30
  4. Step 4: Simplify right side
    1,035,272.90x = 628,722,130,807.10
  5. Step 5: Solve for x
    x = 628,722,130,807.10/1,035,272.90
  6. Step 6: Final answer
    x = 607,300.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.