Home / 1,326,528.48-1,830,609.36-722,916

Finding the Fourth Proportional to 1,326,528.48, 1,830,609.36 and 722,916

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Solution

The fourth proportional to 1,326,528.48, 1,830,609.36 and 722,916 is: 997,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,528.48 : 1,830,609.36 = 722,916 : x
  2. Step 2: Convert to fraction form
    1,326,528.48/1,830,609.36 = 722,916/x
  3. Step 3: Cross multiply
    1,326,528.48x = 1,830,609.36 × 722,916
  4. Step 4: Simplify right side
    1,326,528.48x = 1,323,376,796,093.76
  5. Step 5: Solve for x
    x = 1,323,376,796,093.76/1,326,528.48
  6. Step 6: Final answer
    x = 997,624.11

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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.