Home / 957,030-1,320,418.08-569,534.78

Finding the Fourth Proportional to 957,030, 1,320,418.08 and 569,534.78

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Solution

The fourth proportional to 957,030, 1,320,418.08 and 569,534.78 is: 785,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,030 : 1,320,418.08 = 569,534.78 : x
  2. Step 2: Convert to fraction form
    957,030/1,320,418.08 = 569,534.78/x
  3. Step 3: Cross multiply
    957,030x = 1,320,418.08 × 569,534.78
  4. Step 4: Simplify right side
    957,030x = 752,024,020,700.82
  5. Step 5: Solve for x
    x = 752,024,020,700.82/957,030
  6. Step 6: Final answer
    x = 785,789.39

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Half scale
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Double scale
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Similar ratio
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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.