Home / 810,275.92-1,118,189.36-447,690.76

Finding the Fourth Proportional to 810,275.92, 1,118,189.36 and 447,690.76

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Solution

The fourth proportional to 810,275.92, 1,118,189.36 and 447,690.76 is: 617,818.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,275.92 : 1,118,189.36 = 447,690.76 : x
  2. Step 2: Convert to fraction form
    810,275.92/1,118,189.36 = 447,690.76/x
  3. Step 3: Cross multiply
    810,275.92x = 1,118,189.36 × 447,690.76
  4. Step 4: Simplify right side
    810,275.92x = 500,603,044,402.31
  5. Step 5: Solve for x
    x = 500,603,044,402.31/810,275.92
  6. Step 6: Final answer
    x = 617,818.00

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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.