Home / 945,620.51-1,305,065.16-526,558.50

Finding the Fourth Proportional to 945,620.51, 1,305,065.16 and 526,558.50

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Solution

The fourth proportional to 945,620.51, 1,305,065.16 and 526,558.50 is: 726,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,620.51 : 1,305,065.16 = 526,558.50 : x
  2. Step 2: Convert to fraction form
    945,620.51/1,305,065.16 = 526,558.50/x
  3. Step 3: Cross multiply
    945,620.51x = 1,305,065.16 × 526,558.50
  4. Step 4: Simplify right side
    945,620.51x = 687,193,153,051.86
  5. Step 5: Solve for x
    x = 687,193,153,051.86/945,620.51
  6. Step 6: Final answer
    x = 726,711.35

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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.