Home / 762,154.84-1,051,697.89-439,968.70

Finding the Fourth Proportional to 762,154.84, 1,051,697.89 and 439,968.70

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Solution

The fourth proportional to 762,154.84, 1,051,697.89 and 439,968.70 is: 607,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,154.84 : 1,051,697.89 = 439,968.70 : x
  2. Step 2: Convert to fraction form
    762,154.84/1,051,697.89 = 439,968.70/x
  3. Step 3: Cross multiply
    762,154.84x = 1,051,697.89 × 439,968.70
  4. Step 4: Simplify right side
    762,154.84x = 462,714,153,456.04
  5. Step 5: Solve for x
    x = 462,714,153,456.04/762,154.84
  6. Step 6: Final answer
    x = 607,113.06

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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.