Home / 845,336.48-1,166,609.05-463,379.36

Finding the Fourth Proportional to 845,336.48, 1,166,609.05 and 463,379.36

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Solution

The fourth proportional to 845,336.48, 1,166,609.05 and 463,379.36 is: 639,488.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,336.48 : 1,166,609.05 = 463,379.36 : x
  2. Step 2: Convert to fraction form
    845,336.48/1,166,609.05 = 463,379.36/x
  3. Step 3: Cross multiply
    845,336.48x = 1,166,609.05 × 463,379.36
  4. Step 4: Simplify right side
    845,336.48x = 540,582,547,967.71
  5. Step 5: Solve for x
    x = 540,582,547,967.71/845,336.48
  6. Step 6: Final answer
    x = 639,488.02

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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.