Home / 942,497.16-1,300,631.78-512,767.48

Finding the Fourth Proportional to 942,497.16, 1,300,631.78 and 512,767.48

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Solution

The fourth proportional to 942,497.16, 1,300,631.78 and 512,767.48 is: 707,611.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,497.16 : 1,300,631.78 = 512,767.48 : x
  2. Step 2: Convert to fraction form
    942,497.16/1,300,631.78 = 512,767.48/x
  3. Step 3: Cross multiply
    942,497.16x = 1,300,631.78 × 512,767.48
  4. Step 4: Simplify right side
    942,497.16x = 666,921,680,238.51
  5. Step 5: Solve for x
    x = 666,921,680,238.51/942,497.16
  6. Step 6: Final answer
    x = 707,611.34

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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.