Home / 857,545.83-1,183,383.48-475,608.15

Finding the Fourth Proportional to 857,545.83, 1,183,383.48 and 475,608.15

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Solution

The fourth proportional to 857,545.83, 1,183,383.48 and 475,608.15 is: 656,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,545.83 : 1,183,383.48 = 475,608.15 : x
  2. Step 2: Convert to fraction form
    857,545.83/1,183,383.48 = 475,608.15/x
  3. Step 3: Cross multiply
    857,545.83x = 1,183,383.48 × 475,608.15
  4. Step 4: Simplify right side
    857,545.83x = 562,826,827,663.36
  5. Step 5: Solve for x
    x = 562,826,827,663.36/857,545.83
  6. Step 6: Final answer
    x = 656,322.74

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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.