Home / 910,342.96-1,256,272.50-507,934.96

Finding the Fourth Proportional to 910,342.96, 1,256,272.50 and 507,934.96

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Solution

The fourth proportional to 910,342.96, 1,256,272.50 and 507,934.96 is: 700,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,342.96 : 1,256,272.50 = 507,934.96 : x
  2. Step 2: Convert to fraction form
    910,342.96/1,256,272.50 = 507,934.96/x
  3. Step 3: Cross multiply
    910,342.96x = 1,256,272.50 × 507,934.96
  4. Step 4: Simplify right side
    910,342.96x = 638,104,722,036.60
  5. Step 5: Solve for x
    x = 638,104,722,036.60/910,342.96
  6. Step 6: Final answer
    x = 700,949.81

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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.