Home / 942,010.34-1,299,961.98-512,281.22

Finding the Fourth Proportional to 942,010.34, 1,299,961.98 and 512,281.22

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Solution

The fourth proportional to 942,010.34, 1,299,961.98 and 512,281.22 is: 706,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,010.34 : 1,299,961.98 = 512,281.22 : x
  2. Step 2: Convert to fraction form
    942,010.34/1,299,961.98 = 512,281.22/x
  3. Step 3: Cross multiply
    942,010.34x = 1,299,961.98 × 512,281.22
  4. Step 4: Simplify right side
    942,010.34x = 665,946,102,568.21
  5. Step 5: Solve for x
    x = 665,946,102,568.21/942,010.34
  6. Step 6: Final answer
    x = 706,941.40

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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.