Home / 743,555.61-1,026,113.04-404,023.86

Finding the Fourth Proportional to 743,555.61, 1,026,113.04 and 404,023.86

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Solution

The fourth proportional to 743,555.61, 1,026,113.04 and 404,023.86 is: 557,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,555.61 : 1,026,113.04 = 404,023.86 : x
  2. Step 2: Convert to fraction form
    743,555.61/1,026,113.04 = 404,023.86/x
  3. Step 3: Cross multiply
    743,555.61x = 1,026,113.04 × 404,023.86
  4. Step 4: Simplify right side
    743,555.61x = 414,574,151,217.13
  5. Step 5: Solve for x
    x = 414,574,151,217.13/743,555.61
  6. Step 6: Final answer
    x = 557,556.35

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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.