Home / 771,349.45-1,064,521.29-444,715.60

Finding the Fourth Proportional to 771,349.45, 1,064,521.29 and 444,715.60

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Solution

The fourth proportional to 771,349.45, 1,064,521.29 and 444,715.60 is: 613,741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,349.45 : 1,064,521.29 = 444,715.60 : x
  2. Step 2: Convert to fraction form
    771,349.45/1,064,521.29 = 444,715.60/x
  3. Step 3: Cross multiply
    771,349.45x = 1,064,521.29 × 444,715.60
  4. Step 4: Simplify right side
    771,349.45x = 473,409,224,195.12
  5. Step 5: Solve for x
    x = 473,409,224,195.12/771,349.45
  6. Step 6: Final answer
    x = 613,741.57

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Double scale
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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.