Home / 1,553,333.07-2,328,916.37-688,297.51

Finding the Fourth Proportional to 1,553,333.07, 2,328,916.37 and 688,297.51

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Solution

The fourth proportional to 1,553,333.07, 2,328,916.37 and 688,297.51 is: 1,031,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,333.07 : 2,328,916.37 = 688,297.51 : x
  2. Step 2: Convert to fraction form
    1,553,333.07/2,328,916.37 = 688,297.51/x
  3. Step 3: Cross multiply
    1,553,333.07x = 2,328,916.37 × 688,297.51
  4. Step 4: Simplify right side
    1,553,333.07x = 1,602,987,337,938.90
  5. Step 5: Solve for x
    x = 1,602,987,337,938.90/1,553,333.07
  6. Step 6: Final answer
    x = 1,031,966.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.