Home / 900,096.03-1,242,132.84-512,900.37

Finding the Fourth Proportional to 900,096.03, 1,242,132.84 and 512,900.37

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Solution

The fourth proportional to 900,096.03, 1,242,132.84 and 512,900.37 is: 707,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,096.03 : 1,242,132.84 = 512,900.37 : x
  2. Step 2: Convert to fraction form
    900,096.03/1,242,132.84 = 512,900.37/x
  3. Step 3: Cross multiply
    900,096.03x = 1,242,132.84 × 512,900.37
  4. Step 4: Simplify right side
    900,096.03x = 637,090,393,225.15
  5. Step 5: Solve for x
    x = 637,090,393,225.15/900,096.03
  6. Step 6: Final answer
    x = 707,802.69

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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.