Home / 507,285.42-760,698.09-191,518.26

Finding the Fourth Proportional to 507,285.42, 760,698.09 and 191,518.26

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Solution

The fourth proportional to 507,285.42, 760,698.09 and 191,518.26 is: 287,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,285.42 : 760,698.09 = 191,518.26 : x
  2. Step 2: Convert to fraction form
    507,285.42/760,698.09 = 191,518.26/x
  3. Step 3: Cross multiply
    507,285.42x = 760,698.09 × 191,518.26
  4. Step 4: Simplify right side
    507,285.42x = 145,687,574,582.12
  5. Step 5: Solve for x
    x = 145,687,574,582.12/507,285.42
  6. Step 6: Final answer
    x = 287,190.54

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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.