Home / 829,097.80-1,243,646.70-548,931.40

Finding the Fourth Proportional to 829,097.80, 1,243,646.70 and 548,931.40

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Solution

The fourth proportional to 829,097.80, 1,243,646.70 and 548,931.40 is: 823,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,097.80 : 1,243,646.70 = 548,931.40 : x
  2. Step 2: Convert to fraction form
    829,097.80/1,243,646.70 = 548,931.40/x
  3. Step 3: Cross multiply
    829,097.80x = 1,243,646.70 × 548,931.40
  4. Step 4: Simplify right side
    829,097.80x = 682,676,724,136.38
  5. Step 5: Solve for x
    x = 682,676,724,136.38/829,097.80
  6. Step 6: Final answer
    x = 823,397.10

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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.