Home / 1,225,626.52-1,838,735.08-384,178.28

Finding the Fourth Proportional to 1,225,626.52, 1,838,735.08 and 384,178.28

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Solution

The fourth proportional to 1,225,626.52, 1,838,735.08 and 384,178.28 is: 576,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,626.52 : 1,838,735.08 = 384,178.28 : x
  2. Step 2: Convert to fraction form
    1,225,626.52/1,838,735.08 = 384,178.28/x
  3. Step 3: Cross multiply
    1,225,626.52x = 1,838,735.08 × 384,178.28
  4. Step 4: Simplify right side
    1,225,626.52x = 706,402,080,410.06
  5. Step 5: Solve for x
    x = 706,402,080,410.06/1,225,626.52
  6. Step 6: Final answer
    x = 576,359.98

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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.