Home / 855,477.70-1,283,216.55-590,056.90

Finding the Fourth Proportional to 855,477.70, 1,283,216.55 and 590,056.90

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Solution

The fourth proportional to 855,477.70, 1,283,216.55 and 590,056.90 is: 885,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,477.70 : 1,283,216.55 = 590,056.90 : x
  2. Step 2: Convert to fraction form
    855,477.70/1,283,216.55 = 590,056.90/x
  3. Step 3: Cross multiply
    855,477.70x = 1,283,216.55 × 590,056.90
  4. Step 4: Simplify right side
    855,477.70x = 757,170,779,521.70
  5. Step 5: Solve for x
    x = 757,170,779,521.70/855,477.70
  6. Step 6: Final answer
    x = 885,085.35

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Double scale
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Similar ratio
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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.