Home / 909,401.10-1,364,101.65-608,251.20

Finding the Fourth Proportional to 909,401.10, 1,364,101.65 and 608,251.20

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Solution

The fourth proportional to 909,401.10, 1,364,101.65 and 608,251.20 is: 912,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,401.10 : 1,364,101.65 = 608,251.20 : x
  2. Step 2: Convert to fraction form
    909,401.10/1,364,101.65 = 608,251.20/x
  3. Step 3: Cross multiply
    909,401.10x = 1,364,101.65 × 608,251.20
  4. Step 4: Simplify right side
    909,401.10x = 829,716,465,534.48
  5. Step 5: Solve for x
    x = 829,716,465,534.48/909,401.10
  6. Step 6: Final answer
    x = 912,376.80

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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.