Home / 1,019,776.32-1,408,730.40-817,173.12

Finding the Fourth Proportional to 1,019,776.32, 1,408,730.40 and 817,173.12

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Solution

The fourth proportional to 1,019,776.32, 1,408,730.40 and 817,173.12 is: 1,128,852.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,776.32 : 1,408,730.40 = 817,173.12 : x
  2. Step 2: Convert to fraction form
    1,019,776.32/1,408,730.40 = 817,173.12/x
  3. Step 3: Cross multiply
    1,019,776.32x = 1,408,730.40 × 817,173.12
  4. Step 4: Simplify right side
    1,019,776.32x = 1,151,176,616,206.85
  5. Step 5: Solve for x
    x = 1,151,176,616,206.85/1,019,776.32
  6. Step 6: Final answer
    x = 1,128,852.08

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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.