Home / 927,135.36-1,279,402.56-569,370.24

Finding the Fourth Proportional to 927,135.36, 1,279,402.56 and 569,370.24

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Solution

The fourth proportional to 927,135.36, 1,279,402.56 and 569,370.24 is: 785,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,135.36 : 1,279,402.56 = 569,370.24 : x
  2. Step 2: Convert to fraction form
    927,135.36/1,279,402.56 = 569,370.24/x
  3. Step 3: Cross multiply
    927,135.36x = 1,279,402.56 × 569,370.24
  4. Step 4: Simplify right side
    927,135.36x = 728,453,742,643.82
  5. Step 5: Solve for x
    x = 728,453,742,643.82/927,135.36
  6. Step 6: Final answer
    x = 785,703.76

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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.