Home / 832,528.86-1,148,889.75-450,555.72

Finding the Fourth Proportional to 832,528.86, 1,148,889.75 and 450,555.72

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Solution

The fourth proportional to 832,528.86, 1,148,889.75 and 450,555.72 is: 621,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,528.86 : 1,148,889.75 = 450,555.72 : x
  2. Step 2: Convert to fraction form
    832,528.86/1,148,889.75 = 450,555.72/x
  3. Step 3: Cross multiply
    832,528.86x = 1,148,889.75 × 450,555.72
  4. Step 4: Simplify right side
    832,528.86x = 517,638,848,511.87
  5. Step 5: Solve for x
    x = 517,638,848,511.87/832,528.86
  6. Step 6: Final answer
    x = 621,766.85

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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.