Home / 740,096.76-1,021,336.64-400,565.01

Finding the Fourth Proportional to 740,096.76, 1,021,336.64 and 400,565.01

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Solution

The fourth proportional to 740,096.76, 1,021,336.64 and 400,565.01 is: 552,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,096.76 : 1,021,336.64 = 400,565.01 : x
  2. Step 2: Convert to fraction form
    740,096.76/1,021,336.64 = 400,565.01/x
  3. Step 3: Cross multiply
    740,096.76x = 1,021,336.64 × 400,565.01
  4. Step 4: Simplify right side
    740,096.76x = 409,111,722,416.38
  5. Step 5: Solve for x
    x = 409,111,722,416.38/740,096.76
  6. Step 6: Final answer
    x = 552,781.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.