Home / 877,821.40-1,316,732.10-594,386.20

Finding the Fourth Proportional to 877,821.40, 1,316,732.10 and 594,386.20

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Solution

The fourth proportional to 877,821.40, 1,316,732.10 and 594,386.20 is: 891,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,821.40 : 1,316,732.10 = 594,386.20 : x
  2. Step 2: Convert to fraction form
    877,821.40/1,316,732.10 = 594,386.20/x
  3. Step 3: Cross multiply
    877,821.40x = 1,316,732.10 × 594,386.20
  4. Step 4: Simplify right side
    877,821.40x = 782,647,389,337.02
  5. Step 5: Solve for x
    x = 782,647,389,337.02/877,821.40
  6. Step 6: Final answer
    x = 891,579.30

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Similar ratio
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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.