Home / 554,386.10-831,336.15-254,767.10

Finding the Fourth Proportional to 554,386.10, 831,336.15 and 254,767.10

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Solution

The fourth proportional to 554,386.10, 831,336.15 and 254,767.10 is: 382,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,386.10 : 831,336.15 = 254,767.10 : x
  2. Step 2: Convert to fraction form
    554,386.10/831,336.15 = 254,767.10/x
  3. Step 3: Cross multiply
    554,386.10x = 831,336.15 × 254,767.10
  4. Step 4: Simplify right side
    554,386.10x = 211,797,100,060.67
  5. Step 5: Solve for x
    x = 211,797,100,060.67/554,386.10
  6. Step 6: Final answer
    x = 382,038.98

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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.