Home / 926,307.40-1,389,461.10-768,843.40

Finding the Fourth Proportional to 926,307.40, 1,389,461.10 and 768,843.40

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Solution

The fourth proportional to 926,307.40, 1,389,461.10 and 768,843.40 is: 1,153,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,307.40 : 1,389,461.10 = 768,843.40 : x
  2. Step 2: Convert to fraction form
    926,307.40/1,389,461.10 = 768,843.40/x
  3. Step 3: Cross multiply
    926,307.40x = 1,389,461.10 × 768,843.40
  4. Step 4: Simplify right side
    926,307.40x = 1,068,277,996,291.74
  5. Step 5: Solve for x
    x = 1,068,277,996,291.74/926,307.40
  6. Step 6: Final answer
    x = 1,153,265.10

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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.