Home / 763,510.44-1,053,741.06-461,703.72

Finding the Fourth Proportional to 763,510.44, 1,053,741.06 and 461,703.72

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Solution

The fourth proportional to 763,510.44, 1,053,741.06 and 461,703.72 is: 637,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,510.44 : 1,053,741.06 = 461,703.72 : x
  2. Step 2: Convert to fraction form
    763,510.44/1,053,741.06 = 461,703.72/x
  3. Step 3: Cross multiply
    763,510.44x = 1,053,741.06 × 461,703.72
  4. Step 4: Simplify right side
    763,510.44x = 486,516,167,318.74
  5. Step 5: Solve for x
    x = 486,516,167,318.74/763,510.44
  6. Step 6: Final answer
    x = 637,209.58

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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.