Home / 716,963.70-1,075,445.55-493,014.90

Finding the Fourth Proportional to 716,963.70, 1,075,445.55 and 493,014.90

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Solution

The fourth proportional to 716,963.70, 1,075,445.55 and 493,014.90 is: 739,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,963.70 : 1,075,445.55 = 493,014.90 : x
  2. Step 2: Convert to fraction form
    716,963.70/1,075,445.55 = 493,014.90/x
  3. Step 3: Cross multiply
    716,963.70x = 1,075,445.55 × 493,014.90
  4. Step 4: Simplify right side
    716,963.70x = 530,210,680,288.70
  5. Step 5: Solve for x
    x = 530,210,680,288.70/716,963.70
  6. Step 6: Final answer
    x = 739,522.35

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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.