Home / 916,574.20-1,264,586.22-529,339.96

Finding the Fourth Proportional to 916,574.20, 1,264,586.22 and 529,339.96

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Solution

The fourth proportional to 916,574.20, 1,264,586.22 and 529,339.96 is: 730,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,574.20 : 1,264,586.22 = 529,339.96 : x
  2. Step 2: Convert to fraction form
    916,574.20/1,264,586.22 = 529,339.96/x
  3. Step 3: Cross multiply
    916,574.20x = 1,264,586.22 × 529,339.96
  4. Step 4: Simplify right side
    916,574.20x = 669,396,019,111.35
  5. Step 5: Solve for x
    x = 669,396,019,111.35/916,574.20
  6. Step 6: Final answer
    x = 730,323.87

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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.