Home / 926,306.70-1,389,460.05-565,500.30

Finding the Fourth Proportional to 926,306.70, 1,389,460.05 and 565,500.30

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Solution

The fourth proportional to 926,306.70, 1,389,460.05 and 565,500.30 is: 848,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,306.70 : 1,389,460.05 = 565,500.30 : x
  2. Step 2: Convert to fraction form
    926,306.70/1,389,460.05 = 565,500.30/x
  3. Step 3: Cross multiply
    926,306.70x = 1,389,460.05 × 565,500.30
  4. Step 4: Simplify right side
    926,306.70x = 785,740,075,113.02
  5. Step 5: Solve for x
    x = 785,740,075,113.02/926,306.70
  6. Step 6: Final answer
    x = 848,250.45

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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.