Home / 532,934.76-735,447.18-315,221.34

Finding the Fourth Proportional to 532,934.76, 735,447.18 and 315,221.34

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Solution

The fourth proportional to 532,934.76, 735,447.18 and 315,221.34 is: 435,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,934.76 : 735,447.18 = 315,221.34 : x
  2. Step 2: Convert to fraction form
    532,934.76/735,447.18 = 315,221.34/x
  3. Step 3: Cross multiply
    532,934.76x = 735,447.18 × 315,221.34
  4. Step 4: Simplify right side
    532,934.76x = 231,828,645,578.82
  5. Step 5: Solve for x
    x = 231,828,645,578.82/532,934.76
  6. Step 6: Final answer
    x = 435,003.80

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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.