Home / 1,416,240.56-1,954,387.32-771,666.05

Finding the Fourth Proportional to 1,416,240.56, 1,954,387.32 and 771,666.05

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Solution

The fourth proportional to 1,416,240.56, 1,954,387.32 and 771,666.05 is: 1,064,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,240.56 : 1,954,387.32 = 771,666.05 : x
  2. Step 2: Convert to fraction form
    1,416,240.56/1,954,387.32 = 771,666.05/x
  3. Step 3: Cross multiply
    1,416,240.56x = 1,954,387.32 × 771,666.05
  4. Step 4: Simplify right side
    1,416,240.56x = 1,508,134,343,394.49
  5. Step 5: Solve for x
    x = 1,508,134,343,394.49/1,416,240.56
  6. Step 6: Final answer
    x = 1,064,885.72

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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.