Home / 865,502.35-1,298,253.34-360,053.71

Finding the Fourth Proportional to 865,502.35, 1,298,253.34 and 360,053.71

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Solution

The fourth proportional to 865,502.35, 1,298,253.34 and 360,053.71 is: 540,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,502.35 : 1,298,253.34 = 360,053.71 : x
  2. Step 2: Convert to fraction form
    865,502.35/1,298,253.34 = 360,053.71/x
  3. Step 3: Cross multiply
    865,502.35x = 1,298,253.34 × 360,053.71
  4. Step 4: Simplify right side
    865,502.35x = 467,440,931,586.89
  5. Step 5: Solve for x
    x = 467,440,931,586.89/865,502.35
  6. Step 6: Final answer
    x = 540,080.49

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Double scale
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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.