Home / 740,948.12-1,022,509.44-401,416.37

Finding the Fourth Proportional to 740,948.12, 1,022,509.44 and 401,416.37

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Solution

The fourth proportional to 740,948.12, 1,022,509.44 and 401,416.37 is: 553,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,948.12 : 1,022,509.44 = 401,416.37 : x
  2. Step 2: Convert to fraction form
    740,948.12/1,022,509.44 = 401,416.37/x
  3. Step 3: Cross multiply
    740,948.12x = 1,022,509.44 × 401,416.37
  4. Step 4: Simplify right side
    740,948.12x = 410,452,022,582.99
  5. Step 5: Solve for x
    x = 410,452,022,582.99/740,948.12
  6. Step 6: Final answer
    x = 553,955.15

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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.