Home / 898,051.24-1,239,304.62-495,643.24

Finding the Fourth Proportional to 898,051.24, 1,239,304.62 and 495,643.24

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Solution

The fourth proportional to 898,051.24, 1,239,304.62 and 495,643.24 is: 683,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,051.24 : 1,239,304.62 = 495,643.24 : x
  2. Step 2: Convert to fraction form
    898,051.24/1,239,304.62 = 495,643.24/x
  3. Step 3: Cross multiply
    898,051.24x = 1,239,304.62 × 495,643.24
  4. Step 4: Simplify right side
    898,051.24x = 614,252,957,203.77
  5. Step 5: Solve for x
    x = 614,252,957,203.77/898,051.24
  6. Step 6: Final answer
    x = 683,984.31

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Half scale
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Double scale
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Similar ratio
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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.