Home / 942,456.43-1,300,595.54-512,739.65

Finding the Fourth Proportional to 942,456.43, 1,300,595.54 and 512,739.65

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Solution

The fourth proportional to 942,456.43, 1,300,595.54 and 512,739.65 is: 707,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,456.43 : 1,300,595.54 = 512,739.65 : x
  2. Step 2: Convert to fraction form
    942,456.43/1,300,595.54 = 512,739.65/x
  3. Step 3: Cross multiply
    942,456.43x = 1,300,595.54 × 512,739.65
  4. Step 4: Simplify right side
    942,456.43x = 666,866,902,658.95
  5. Step 5: Solve for x
    x = 666,866,902,658.95/942,456.43
  6. Step 6: Final answer
    x = 707,583.80

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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.