Home / 683,526.40-1,025,289.60-403,590.40

Finding the Fourth Proportional to 683,526.40, 1,025,289.60 and 403,590.40

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Solution

The fourth proportional to 683,526.40, 1,025,289.60 and 403,590.40 is: 605,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,526.40 : 1,025,289.60 = 403,590.40 : x
  2. Step 2: Convert to fraction form
    683,526.40/1,025,289.60 = 403,590.40/x
  3. Step 3: Cross multiply
    683,526.40x = 1,025,289.60 × 403,590.40
  4. Step 4: Simplify right side
    683,526.40x = 413,797,039,779.84
  5. Step 5: Solve for x
    x = 413,797,039,779.84/683,526.40
  6. Step 6: Final answer
    x = 605,385.60

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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.