Home / 689,924.67-951,977.58-634,116.35

Finding the Fourth Proportional to 689,924.67, 951,977.58 and 634,116.35

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Solution

The fourth proportional to 689,924.67, 951,977.58 and 634,116.35 is: 874,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,924.67 : 951,977.58 = 634,116.35 : x
  2. Step 2: Convert to fraction form
    689,924.67/951,977.58 = 634,116.35/x
  3. Step 3: Cross multiply
    689,924.67x = 951,977.58 × 634,116.35
  4. Step 4: Simplify right side
    689,924.67x = 603,664,543,551.55
  5. Step 5: Solve for x
    x = 603,664,543,551.55/689,924.67
  6. Step 6: Final answer
    x = 874,971.67

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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.