Home / 743,495.17-1,026,026.07-403,963.42

Finding the Fourth Proportional to 743,495.17, 1,026,026.07 and 403,963.42

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Solution

The fourth proportional to 743,495.17, 1,026,026.07 and 403,963.42 is: 557,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,495.17 : 1,026,026.07 = 403,963.42 : x
  2. Step 2: Convert to fraction form
    743,495.17/1,026,026.07 = 403,963.42/x
  3. Step 3: Cross multiply
    743,495.17x = 1,026,026.07 × 403,963.42
  4. Step 4: Simplify right side
    743,495.17x = 414,477,000,246.36
  5. Step 5: Solve for x
    x = 414,477,000,246.36/743,495.17
  6. Step 6: Final answer
    x = 557,471.01

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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.