Home / 748,483.32-1,032,906.80-404,319.18

Finding the Fourth Proportional to 748,483.32, 1,032,906.80 and 404,319.18

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Solution

The fourth proportional to 748,483.32, 1,032,906.80 and 404,319.18 is: 557,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,483.32 : 1,032,906.80 = 404,319.18 : x
  2. Step 2: Convert to fraction form
    748,483.32/1,032,906.80 = 404,319.18/x
  3. Step 3: Cross multiply
    748,483.32x = 1,032,906.80 × 404,319.18
  4. Step 4: Simplify right side
    748,483.32x = 417,624,030,392.42
  5. Step 5: Solve for x
    x = 417,624,030,392.42/748,483.32
  6. Step 6: Final answer
    x = 557,960.37

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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.