Home / 691,091.42-954,192.44-484,798.40

Finding the Fourth Proportional to 691,091.42, 954,192.44 and 484,798.40

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Solution

The fourth proportional to 691,091.42, 954,192.44 and 484,798.40 is: 669,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,091.42 : 954,192.44 = 484,798.40 : x
  2. Step 2: Convert to fraction form
    691,091.42/954,192.44 = 484,798.40/x
  3. Step 3: Cross multiply
    691,091.42x = 954,192.44 × 484,798.40
  4. Step 4: Simplify right side
    691,091.42x = 462,590,964,645.13
  5. Step 5: Solve for x
    x = 462,590,964,645.13/691,091.42
  6. Step 6: Final answer
    x = 669,362.91

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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.