Home / 1,030,459.41-1,545,693.06-431,000.05

Finding the Fourth Proportional to 1,030,459.41, 1,545,693.06 and 431,000.05

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Solution

The fourth proportional to 1,030,459.41, 1,545,693.06 and 431,000.05 is: 646,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,459.41 : 1,545,693.06 = 431,000.05 : x
  2. Step 2: Convert to fraction form
    1,030,459.41/1,545,693.06 = 431,000.05/x
  3. Step 3: Cross multiply
    1,030,459.41x = 1,545,693.06 × 431,000.05
  4. Step 4: Simplify right side
    1,030,459.41x = 666,193,786,144.65
  5. Step 5: Solve for x
    x = 666,193,786,144.65/1,030,459.41
  6. Step 6: Final answer
    x = 646,501.73

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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.