Home / 811,085.40-1,214,077.14-556,878.24

Finding the Fourth Proportional to 811,085.40, 1,214,077.14 and 556,878.24

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Solution

The fourth proportional to 811,085.40, 1,214,077.14 and 556,878.24 is: 833,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,085.40 : 1,214,077.14 = 556,878.24 : x
  2. Step 2: Convert to fraction form
    811,085.40/1,214,077.14 = 556,878.24/x
  3. Step 3: Cross multiply
    811,085.40x = 1,214,077.14 × 556,878.24
  4. Step 4: Simplify right side
    811,085.40x = 676,093,140,947.43
  5. Step 5: Solve for x
    x = 676,093,140,947.43/811,085.40
  6. Step 6: Final answer
    x = 833,565.91

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Double scale
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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.