Home / 554,927.40-832,779.90-355,732.20

Finding the Fourth Proportional to 554,927.40, 832,779.90 and 355,732.20

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Solution

The fourth proportional to 554,927.40, 832,779.90 and 355,732.20 is: 533,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,927.40 : 832,779.90 = 355,732.20 : x
  2. Step 2: Convert to fraction form
    554,927.40/832,779.90 = 355,732.20/x
  3. Step 3: Cross multiply
    554,927.40x = 832,779.90 × 355,732.20
  4. Step 4: Simplify right side
    554,927.40x = 296,246,625,942.78
  5. Step 5: Solve for x
    x = 296,246,625,942.78/554,927.40
  6. Step 6: Final answer
    x = 533,847.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.