Home / 651,336.20-977,004.30-297,042.20

Finding the Fourth Proportional to 651,336.20, 977,004.30 and 297,042.20

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Solution

The fourth proportional to 651,336.20, 977,004.30 and 297,042.20 is: 445,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,336.20 : 977,004.30 = 297,042.20 : x
  2. Step 2: Convert to fraction form
    651,336.20/977,004.30 = 297,042.20/x
  3. Step 3: Cross multiply
    651,336.20x = 977,004.30 × 297,042.20
  4. Step 4: Simplify right side
    651,336.20x = 290,211,506,681.46
  5. Step 5: Solve for x
    x = 290,211,506,681.46/651,336.20
  6. Step 6: Final answer
    x = 445,563.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.