Home / 877,853.52-1,211,440.24-475,445.52

Finding the Fourth Proportional to 877,853.52, 1,211,440.24 and 475,445.52

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Solution

The fourth proportional to 877,853.52, 1,211,440.24 and 475,445.52 is: 656,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,853.52 : 1,211,440.24 = 475,445.52 : x
  2. Step 2: Convert to fraction form
    877,853.52/1,211,440.24 = 475,445.52/x
  3. Step 3: Cross multiply
    877,853.52x = 1,211,440.24 × 475,445.52
  4. Step 4: Simplify right side
    877,853.52x = 575,973,834,855.73
  5. Step 5: Solve for x
    x = 575,973,834,855.73/877,853.52
  6. Step 6: Final answer
    x = 656,116.11

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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.