Home / 571,116.20-854,831.10-526,879.40

Finding the Fourth Proportional to 571,116.20, 854,831.10 and 526,879.40

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Solution

The fourth proportional to 571,116.20, 854,831.10 and 526,879.40 is: 788,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,116.20 : 854,831.10 = 526,879.40 : x
  2. Step 2: Convert to fraction form
    571,116.20/854,831.10 = 526,879.40/x
  3. Step 3: Cross multiply
    571,116.20x = 854,831.10 × 526,879.40
  4. Step 4: Simplify right side
    571,116.20x = 450,392,897,069.34
  5. Step 5: Solve for x
    x = 450,392,897,069.34/571,116.20
  6. Step 6: Final answer
    x = 788,618.67

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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.