Home / 1,438,416.48-2,157,663.60-373,434.96

Finding the Fourth Proportional to 1,438,416.48, 2,157,663.60 and 373,434.96

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Solution

The fourth proportional to 1,438,416.48, 2,157,663.60 and 373,434.96 is: 560,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,416.48 : 2,157,663.60 = 373,434.96 : x
  2. Step 2: Convert to fraction form
    1,438,416.48/2,157,663.60 = 373,434.96/x
  3. Step 3: Cross multiply
    1,438,416.48x = 2,157,663.60 × 373,434.96
  4. Step 4: Simplify right side
    1,438,416.48x = 805,747,020,159.46
  5. Step 5: Solve for x
    x = 805,747,020,159.46/1,438,416.48
  6. Step 6: Final answer
    x = 560,162.53

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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.