Home / 772,478.04-1,159,037.01-417,074.34

Finding the Fourth Proportional to 772,478.04, 1,159,037.01 and 417,074.34

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Solution

The fourth proportional to 772,478.04, 1,159,037.01 and 417,074.34 is: 625,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,478.04 : 1,159,037.01 = 417,074.34 : x
  2. Step 2: Convert to fraction form
    772,478.04/1,159,037.01 = 417,074.34/x
  3. Step 3: Cross multiply
    772,478.04x = 1,159,037.01 × 417,074.34
  4. Step 4: Simplify right side
    772,478.04x = 483,404,595,981.32
  5. Step 5: Solve for x
    x = 483,404,595,981.32/772,478.04
  6. Step 6: Final answer
    x = 625,784.26

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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.