Home / 628,011.10-942,016.65-603,516.70

Finding the Fourth Proportional to 628,011.10, 942,016.65 and 603,516.70

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Solution

The fourth proportional to 628,011.10, 942,016.65 and 603,516.70 is: 905,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,011.10 : 942,016.65 = 603,516.70 : x
  2. Step 2: Convert to fraction form
    628,011.10/942,016.65 = 603,516.70/x
  3. Step 3: Cross multiply
    628,011.10x = 942,016.65 × 603,516.70
  4. Step 4: Simplify right side
    628,011.10x = 568,522,779,953.06
  5. Step 5: Solve for x
    x = 568,522,779,953.06/628,011.10
  6. Step 6: Final answer
    x = 905,275.05

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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.