Home / 809,805.06-1,117,530.96-470,295.18

Finding the Fourth Proportional to 809,805.06, 1,117,530.96 and 470,295.18

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Solution

The fourth proportional to 809,805.06, 1,117,530.96 and 470,295.18 is: 649,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,805.06 : 1,117,530.96 = 470,295.18 : x
  2. Step 2: Convert to fraction form
    809,805.06/1,117,530.96 = 470,295.18/x
  3. Step 3: Cross multiply
    809,805.06x = 1,117,530.96 × 470,295.18
  4. Step 4: Simplify right side
    809,805.06x = 525,569,423,988.77
  5. Step 5: Solve for x
    x = 525,569,423,988.77/809,805.06
  6. Step 6: Final answer
    x = 649,007.34

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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.