Home / 847,085.76-1,169,016.48-507,546.72

Finding the Fourth Proportional to 847,085.76, 1,169,016.48 and 507,546.72

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Solution

The fourth proportional to 847,085.76, 1,169,016.48 and 507,546.72 is: 700,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,085.76 : 1,169,016.48 = 507,546.72 : x
  2. Step 2: Convert to fraction form
    847,085.76/1,169,016.48 = 507,546.72/x
  3. Step 3: Cross multiply
    847,085.76x = 1,169,016.48 × 507,546.72
  4. Step 4: Simplify right side
    847,085.76x = 593,330,480,049.95
  5. Step 5: Solve for x
    x = 593,330,480,049.95/847,085.76
  6. Step 6: Final answer
    x = 700,437.32

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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.