Home / 816,700.32-1,225,808.64-417,626.28

Finding the Fourth Proportional to 816,700.32, 1,225,808.64 and 417,626.28

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Solution

The fourth proportional to 816,700.32, 1,225,808.64 and 417,626.28 is: 626,827.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,700.32 : 1,225,808.64 = 417,626.28 : x
  2. Step 2: Convert to fraction form
    816,700.32/1,225,808.64 = 417,626.28/x
  3. Step 3: Cross multiply
    816,700.32x = 1,225,808.64 × 417,626.28
  4. Step 4: Simplify right side
    816,700.32x = 511,929,902,315.06
  5. Step 5: Solve for x
    x = 511,929,902,315.06/816,700.32
  6. Step 6: Final answer
    x = 626,827.11

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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.