Home / 915,528.50-1,263,444.54-507,647.56

Finding the Fourth Proportional to 915,528.50, 1,263,444.54 and 507,647.56

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Solution

The fourth proportional to 915,528.50, 1,263,444.54 and 507,647.56 is: 700,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,528.50 : 1,263,444.54 = 507,647.56 : x
  2. Step 2: Convert to fraction form
    915,528.50/1,263,444.54 = 507,647.56/x
  3. Step 3: Cross multiply
    915,528.50x = 1,263,444.54 × 507,647.56
  4. Step 4: Simplify right side
    915,528.50x = 641,384,531,609.10
  5. Step 5: Solve for x
    x = 641,384,531,609.10/915,528.50
  6. Step 6: Final answer
    x = 700,562.06

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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.