Home / 886,813.13-1,223,807.04-484,405.13

Finding the Fourth Proportional to 886,813.13, 1,223,807.04 and 484,405.13

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Solution

The fourth proportional to 886,813.13, 1,223,807.04 and 484,405.13 is: 668,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,813.13 : 1,223,807.04 = 484,405.13 : x
  2. Step 2: Convert to fraction form
    886,813.13/1,223,807.04 = 484,405.13/x
  3. Step 3: Cross multiply
    886,813.13x = 1,223,807.04 × 484,405.13
  4. Step 4: Simplify right side
    886,813.13x = 592,818,402,187.08
  5. Step 5: Solve for x
    x = 592,818,402,187.08/886,813.13
  6. Step 6: Final answer
    x = 668,481.76

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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.