Home / 730,730.98-1,008,368.02-404,025.09

Finding the Fourth Proportional to 730,730.98, 1,008,368.02 and 404,025.09

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Solution

The fourth proportional to 730,730.98, 1,008,368.02 and 404,025.09 is: 557,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,730.98 : 1,008,368.02 = 404,025.09 : x
  2. Step 2: Convert to fraction form
    730,730.98/1,008,368.02 = 404,025.09/x
  3. Step 3: Cross multiply
    730,730.98x = 1,008,368.02 × 404,025.09
  4. Step 4: Simplify right side
    730,730.98x = 407,405,980,033.62
  5. Step 5: Solve for x
    x = 407,405,980,033.62/730,730.98
  6. Step 6: Final answer
    x = 557,532.10

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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.