Home / 743,897.52-1,026,577.80-404,368.20

Finding the Fourth Proportional to 743,897.52, 1,026,577.80 and 404,368.20

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Solution

The fourth proportional to 743,897.52, 1,026,577.80 and 404,368.20 is: 558,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,897.52 : 1,026,577.80 = 404,368.20 : x
  2. Step 2: Convert to fraction form
    743,897.52/1,026,577.80 = 404,368.20/x
  3. Step 3: Cross multiply
    743,897.52x = 1,026,577.80 × 404,368.20
  4. Step 4: Simplify right side
    743,897.52x = 415,115,417,145.96
  5. Step 5: Solve for x
    x = 415,115,417,145.96/743,897.52
  6. Step 6: Final answer
    x = 558,027.69

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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.