Home / 916,114.98-1,264,241.88-508,224.90

Finding the Fourth Proportional to 916,114.98, 1,264,241.88 and 508,224.90

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Solution

The fourth proportional to 916,114.98, 1,264,241.88 and 508,224.90 is: 701,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,114.98 : 1,264,241.88 = 508,224.90 : x
  2. Step 2: Convert to fraction form
    916,114.98/1,264,241.88 = 508,224.90/x
  3. Step 3: Cross multiply
    916,114.98x = 1,264,241.88 × 508,224.90
  4. Step 4: Simplify right side
    916,114.98x = 642,519,203,038.81
  5. Step 5: Solve for x
    x = 642,519,203,038.81/916,114.98
  6. Step 6: Final answer
    x = 701,352.14

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1.5x scale

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.