Home / 953,810.05-1,431,929.09-618,254.86

Finding the Fourth Proportional to 953,810.05, 1,431,929.09 and 618,254.86

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Solution

The fourth proportional to 953,810.05, 1,431,929.09 and 618,254.86 is: 928,169.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,810.05 : 1,431,929.09 = 618,254.86 : x
  2. Step 2: Convert to fraction form
    953,810.05/1,431,929.09 = 618,254.86/x
  3. Step 3: Cross multiply
    953,810.05x = 1,431,929.09 × 618,254.86
  4. Step 4: Simplify right side
    953,810.05x = 885,297,117,033.69
  5. Step 5: Solve for x
    x = 885,297,117,033.69/953,810.05
  6. Step 6: Final answer
    x = 928,169.21

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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.