Home / 1,105,430.56-1,655,488.63-630,676.60

Finding the Fourth Proportional to 1,105,430.56, 1,655,488.63 and 630,676.60

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Solution

The fourth proportional to 1,105,430.56, 1,655,488.63 and 630,676.60 is: 944,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,430.56 : 1,655,488.63 = 630,676.60 : x
  2. Step 2: Convert to fraction form
    1,105,430.56/1,655,488.63 = 630,676.60/x
  3. Step 3: Cross multiply
    1,105,430.56x = 1,655,488.63 × 630,676.60
  4. Step 4: Simplify right side
    1,105,430.56x = 1,044,077,937,156.68
  5. Step 5: Solve for x
    x = 1,044,077,937,156.68/1,105,430.56
  6. Step 6: Final answer
    x = 944,498.89

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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.