Home / 903,796.45-1,247,262.05-495,898.18

Finding the Fourth Proportional to 903,796.45, 1,247,262.05 and 495,898.18

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Solution

The fourth proportional to 903,796.45, 1,247,262.05 and 495,898.18 is: 684,352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,796.45 : 1,247,262.05 = 495,898.18 : x
  2. Step 2: Convert to fraction form
    903,796.45/1,247,262.05 = 495,898.18/x
  3. Step 3: Cross multiply
    903,796.45x = 1,247,262.05 × 495,898.18
  4. Step 4: Simplify right side
    903,796.45x = 618,514,980,578.07
  5. Step 5: Solve for x
    x = 618,514,980,578.07/903,796.45
  6. Step 6: Final answer
    x = 684,352.08

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Double scale
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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.