Home / 938,130.93-1,294,621.74-508,411.08

Finding the Fourth Proportional to 938,130.93, 1,294,621.74 and 508,411.08

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Solution

The fourth proportional to 938,130.93, 1,294,621.74 and 508,411.08 is: 701,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,130.93 : 1,294,621.74 = 508,411.08 : x
  2. Step 2: Convert to fraction form
    938,130.93/1,294,621.74 = 508,411.08/x
  3. Step 3: Cross multiply
    938,130.93x = 1,294,621.74 × 508,411.08
  4. Step 4: Simplify right side
    938,130.93x = 658,200,037,024.88
  5. Step 5: Solve for x
    x = 658,200,037,024.88/938,130.93
  6. Step 6: Final answer
    x = 701,607.86

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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.