Home / 877,837.36-1,211,440.44-495,880.24

Finding the Fourth Proportional to 877,837.36, 1,211,440.44 and 495,880.24

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Solution

The fourth proportional to 877,837.36, 1,211,440.44 and 495,880.24 is: 684,328.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,837.36 : 1,211,440.44 = 495,880.24 : x
  2. Step 2: Convert to fraction form
    877,837.36/1,211,440.44 = 495,880.24/x
  3. Step 3: Cross multiply
    877,837.36x = 1,211,440.44 × 495,880.24
  4. Step 4: Simplify right side
    877,837.36x = 600,729,376,132.91
  5. Step 5: Solve for x
    x = 600,729,376,132.91/877,837.36
  6. Step 6: Final answer
    x = 684,328.79

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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.