Home / 914,178.34-1,262,189.55-570,148.66

Finding the Fourth Proportional to 914,178.34, 1,262,189.55 and 570,148.66

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Solution

The fourth proportional to 914,178.34, 1,262,189.55 and 570,148.66 is: 787,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,178.34 : 1,262,189.55 = 570,148.66 : x
  2. Step 2: Convert to fraction form
    914,178.34/1,262,189.55 = 570,148.66/x
  3. Step 3: Cross multiply
    914,178.34x = 1,262,189.55 × 570,148.66
  4. Step 4: Simplify right side
    914,178.34x = 719,635,680,598.50
  5. Step 5: Solve for x
    x = 719,635,680,598.50/914,178.34
  6. Step 6: Final answer
    x = 787,193.97

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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.