Home / 824,145.48-1,137,496.50-484,807.32

Finding the Fourth Proportional to 824,145.48, 1,137,496.50 and 484,807.32

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Solution

The fourth proportional to 824,145.48, 1,137,496.50 and 484,807.32 is: 669,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,145.48 : 1,137,496.50 = 484,807.32 : x
  2. Step 2: Convert to fraction form
    824,145.48/1,137,496.50 = 484,807.32/x
  3. Step 3: Cross multiply
    824,145.48x = 1,137,496.50 × 484,807.32
  4. Step 4: Simplify right side
    824,145.48x = 551,466,629,674.38
  5. Step 5: Solve for x
    x = 551,466,629,674.38/824,145.48
  6. Step 6: Final answer
    x = 669,137.48

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Double scale
Find fourth proportional to 824,146.48, 1,137,497.88 and 484,808.32
Similar ratio
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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.