Home / 942,507.23-1,300,665.67-512,790.48

Finding the Fourth Proportional to 942,507.23, 1,300,665.67 and 512,790.48

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Solution

The fourth proportional to 942,507.23, 1,300,665.67 and 512,790.48 is: 707,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,507.23 : 1,300,665.67 = 512,790.48 : x
  2. Step 2: Convert to fraction form
    942,507.23/1,300,665.67 = 512,790.48/x
  3. Step 3: Cross multiply
    942,507.23x = 1,300,665.67 × 512,790.48
  4. Step 4: Simplify right side
    942,507.23x = 666,968,971,956.85
  5. Step 5: Solve for x
    x = 666,968,971,956.85/942,507.23
  6. Step 6: Final answer
    x = 707,653.96

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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.