Home / 716,436.48-988,823.64-410,718.12

Finding the Fourth Proportional to 716,436.48, 988,823.64 and 410,718.12

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Solution

The fourth proportional to 716,436.48, 988,823.64 and 410,718.12 is: 566,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,436.48 : 988,823.64 = 410,718.12 : x
  2. Step 2: Convert to fraction form
    716,436.48/988,823.64 = 410,718.12/x
  3. Step 3: Cross multiply
    716,436.48x = 988,823.64 × 410,718.12
  4. Step 4: Simplify right side
    716,436.48x = 406,127,786,432.36
  5. Step 5: Solve for x
    x = 406,127,786,432.36/716,436.48
  6. Step 6: Final answer
    x = 566,872.01

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Half scale
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Double scale
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Similar ratio
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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.