Home / 942,490.16-1,300,622.12-512,760.46

Finding the Fourth Proportional to 942,490.16, 1,300,622.12 and 512,760.46

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Solution

The fourth proportional to 942,490.16, 1,300,622.12 and 512,760.46 is: 707,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,490.16 : 1,300,622.12 = 512,760.46 : x
  2. Step 2: Convert to fraction form
    942,490.16/1,300,622.12 = 512,760.46/x
  3. Step 3: Cross multiply
    942,490.16x = 1,300,622.12 × 512,760.46
  4. Step 4: Simplify right side
    942,490.16x = 666,907,596,537.38
  5. Step 5: Solve for x
    x = 666,907,596,537.38/942,490.16
  6. Step 6: Final answer
    x = 707,601.65

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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.