Home / 477,966.30-716,949.45-403,316.70

Finding the Fourth Proportional to 477,966.30, 716,949.45 and 403,316.70

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Solution

The fourth proportional to 477,966.30, 716,949.45 and 403,316.70 is: 604,975.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,966.30 : 716,949.45 = 403,316.70 : x
  2. Step 2: Convert to fraction form
    477,966.30/716,949.45 = 403,316.70/x
  3. Step 3: Cross multiply
    477,966.30x = 716,949.45 × 403,316.70
  4. Step 4: Simplify right side
    477,966.30x = 289,157,686,240.82
  5. Step 5: Solve for x
    x = 289,157,686,240.82/477,966.30
  6. Step 6: Final answer
    x = 604,975.05

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Similar ratio
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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.