Home / 785,815.48-1,084,555.38-463,604.32

Finding the Fourth Proportional to 785,815.48, 1,084,555.38 and 463,604.32

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Solution

The fourth proportional to 785,815.48, 1,084,555.38 and 463,604.32 is: 639,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,815.48 : 1,084,555.38 = 463,604.32 : x
  2. Step 2: Convert to fraction form
    785,815.48/1,084,555.38 = 463,604.32/x
  3. Step 3: Cross multiply
    785,815.48x = 1,084,555.38 × 463,604.32
  4. Step 4: Simplify right side
    785,815.48x = 502,804,559,447.24
  5. Step 5: Solve for x
    x = 502,804,559,447.24/785,815.48
  6. Step 6: Final answer
    x = 639,850.67

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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.