Home / 1,500,216.96-2,070,306-811,888.92

Finding the Fourth Proportional to 1,500,216.96, 2,070,306 and 811,888.92

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Solution

The fourth proportional to 1,500,216.96, 2,070,306 and 811,888.92 is: 1,120,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,216.96 : 2,070,306 = 811,888.92 : x
  2. Step 2: Convert to fraction form
    1,500,216.96/2,070,306 = 811,888.92/x
  3. Step 3: Cross multiply
    1,500,216.96x = 2,070,306 × 811,888.92
  4. Step 4: Simplify right side
    1,500,216.96x = 1,680,858,502,409.52
  5. Step 5: Solve for x
    x = 1,680,858,502,409.52/1,500,216.96
  6. Step 6: Final answer
    x = 1,120,410.28

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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.