Home / 1,105,271.12-1,525,137-697,218.32

Finding the Fourth Proportional to 1,105,271.12, 1,525,137 and 697,218.32

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Solution

The fourth proportional to 1,105,271.12, 1,525,137 and 697,218.32 is: 962,074.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,271.12 : 1,525,137 = 697,218.32 : x
  2. Step 2: Convert to fraction form
    1,105,271.12/1,525,137 = 697,218.32/x
  3. Step 3: Cross multiply
    1,105,271.12x = 1,525,137 × 697,218.32
  4. Step 4: Simplify right side
    1,105,271.12x = 1,063,353,456,909.84
  5. Step 5: Solve for x
    x = 1,063,353,456,909.84/1,105,271.12
  6. Step 6: Final answer
    x = 962,074.77

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Double scale
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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.