Home / 972,012.97-1,341,410.11-530,511.67

Finding the Fourth Proportional to 972,012.97, 1,341,410.11 and 530,511.67

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Solution

The fourth proportional to 972,012.97, 1,341,410.11 and 530,511.67 is: 732,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,012.97 : 1,341,410.11 = 530,511.67 : x
  2. Step 2: Convert to fraction form
    972,012.97/1,341,410.11 = 530,511.67/x
  3. Step 3: Cross multiply
    972,012.97x = 1,341,410.11 × 530,511.67
  4. Step 4: Simplify right side
    972,012.97x = 711,633,717,610.98
  5. Step 5: Solve for x
    x = 711,633,717,610.98/972,012.97
  6. Step 6: Final answer
    x = 732,123.69

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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.