Home / 743,528.61-1,026,075.74-403,996.86

Finding the Fourth Proportional to 743,528.61, 1,026,075.74 and 403,996.86

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Solution

The fourth proportional to 743,528.61, 1,026,075.74 and 403,996.86 is: 557,519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,528.61 : 1,026,075.74 = 403,996.86 : x
  2. Step 2: Convert to fraction form
    743,528.61/1,026,075.74 = 403,996.86/x
  3. Step 3: Cross multiply
    743,528.61x = 1,026,075.74 × 403,996.86
  4. Step 4: Simplify right side
    743,528.61x = 414,531,375,062.19
  5. Step 5: Solve for x
    x = 414,531,375,062.19/743,528.61
  6. Step 6: Final answer
    x = 557,519.06

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Double scale
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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.