Home / 910,347.96-1,256,279.40-507,939.96

Finding the Fourth Proportional to 910,347.96, 1,256,279.40 and 507,939.96

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Solution

The fourth proportional to 910,347.96, 1,256,279.40 and 507,939.96 is: 700,956.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,347.96 : 1,256,279.40 = 507,939.96 : x
  2. Step 2: Convert to fraction form
    910,347.96/1,256,279.40 = 507,939.96/x
  3. Step 3: Cross multiply
    910,347.96x = 1,256,279.40 × 507,939.96
  4. Step 4: Simplify right side
    910,347.96x = 638,114,508,184.82
  5. Step 5: Solve for x
    x = 638,114,508,184.82/910,347.96
  6. Step 6: Final answer
    x = 700,956.71

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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.