Home / 756,803.76-1,044,397.20-417,284.16

Finding the Fourth Proportional to 756,803.76, 1,044,397.20 and 417,284.16

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Solution

The fourth proportional to 756,803.76, 1,044,397.20 and 417,284.16 is: 575,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,803.76 : 1,044,397.20 = 417,284.16 : x
  2. Step 2: Convert to fraction form
    756,803.76/1,044,397.20 = 417,284.16/x
  3. Step 3: Cross multiply
    756,803.76x = 1,044,397.20 × 417,284.16
  4. Step 4: Simplify right side
    756,803.76x = 435,810,408,308.35
  5. Step 5: Solve for x
    x = 435,810,408,308.35/756,803.76
  6. Step 6: Final answer
    x = 575,856.56

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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.