Home / 1,214,117.51-1,675,495.71-670,253.58

Finding the Fourth Proportional to 1,214,117.51, 1,675,495.71 and 670,253.58

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Solution

The fourth proportional to 1,214,117.51, 1,675,495.71 and 670,253.58 is: 924,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,117.51 : 1,675,495.71 = 670,253.58 : x
  2. Step 2: Convert to fraction form
    1,214,117.51/1,675,495.71 = 670,253.58/x
  3. Step 3: Cross multiply
    1,214,117.51x = 1,675,495.71 × 670,253.58
  4. Step 4: Simplify right side
    1,214,117.51x = 1,123,006,997,902.14
  5. Step 5: Solve for x
    x = 1,123,006,997,902.14/1,214,117.51
  6. Step 6: Final answer
    x = 924,957.42

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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.