Home / 649,057.40-973,586.10-369,121.40

Finding the Fourth Proportional to 649,057.40, 973,586.10 and 369,121.40

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Solution

The fourth proportional to 649,057.40, 973,586.10 and 369,121.40 is: 553,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,057.40 : 973,586.10 = 369,121.40 : x
  2. Step 2: Convert to fraction form
    649,057.40/973,586.10 = 369,121.40/x
  3. Step 3: Cross multiply
    649,057.40x = 973,586.10 × 369,121.40
  4. Step 4: Simplify right side
    649,057.40x = 359,371,464,252.54
  5. Step 5: Solve for x
    x = 359,371,464,252.54/649,057.40
  6. Step 6: Final answer
    x = 553,682.10

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Half scale
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Double scale
Find fourth proportional to 649,058.40, 973,587.60 and 369,122.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.