Home / 836,909.34-1,255,073.13-357,117.72

Finding the Fourth Proportional to 836,909.34, 1,255,073.13 and 357,117.72

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Solution

The fourth proportional to 836,909.34, 1,255,073.13 and 357,117.72 is: 535,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,909.34 : 1,255,073.13 = 357,117.72 : x
  2. Step 2: Convert to fraction form
    836,909.34/1,255,073.13 = 357,117.72/x
  3. Step 3: Cross multiply
    836,909.34x = 1,255,073.13 × 357,117.72
  4. Step 4: Simplify right side
    836,909.34x = 448,208,854,618.86
  5. Step 5: Solve for x
    x = 448,208,854,618.86/836,909.34
  6. Step 6: Final answer
    x = 535,552.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.