Home / 942,098.70-1,300,102.32-512,381.94

Finding the Fourth Proportional to 942,098.70, 1,300,102.32 and 512,381.94

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Solution

The fourth proportional to 942,098.70, 1,300,102.32 and 512,381.94 is: 707,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,098.70 : 1,300,102.32 = 512,381.94 : x
  2. Step 2: Convert to fraction form
    942,098.70/1,300,102.32 = 512,381.94/x
  3. Step 3: Cross multiply
    942,098.70x = 1,300,102.32 × 512,381.94
  4. Step 4: Simplify right side
    942,098.70x = 666,148,948,920.10
  5. Step 5: Solve for x
    x = 666,148,948,920.10/942,098.70
  6. Step 6: Final answer
    x = 707,090.40

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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.