Home / 845,615.68-1,166,986.08-506,018.56

Finding the Fourth Proportional to 845,615.68, 1,166,986.08 and 506,018.56

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Solution

The fourth proportional to 845,615.68, 1,166,986.08 and 506,018.56 is: 698,327.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,615.68 : 1,166,986.08 = 506,018.56 : x
  2. Step 2: Convert to fraction form
    845,615.68/1,166,986.08 = 506,018.56/x
  3. Step 3: Cross multiply
    845,615.68x = 1,166,986.08 × 506,018.56
  4. Step 4: Simplify right side
    845,615.68x = 590,516,615,741.65
  5. Step 5: Solve for x
    x = 590,516,615,741.65/845,615.68
  6. Step 6: Final answer
    x = 698,327.42

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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.