Home / 1,157,075.80-1,735,613.70-315,626.20

Finding the Fourth Proportional to 1,157,075.80, 1,735,613.70 and 315,626.20

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Solution

The fourth proportional to 1,157,075.80, 1,735,613.70 and 315,626.20 is: 473,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,075.80 : 1,735,613.70 = 315,626.20 : x
  2. Step 2: Convert to fraction form
    1,157,075.80/1,735,613.70 = 315,626.20/x
  3. Step 3: Cross multiply
    1,157,075.80x = 1,735,613.70 × 315,626.20
  4. Step 4: Simplify right side
    1,157,075.80x = 547,805,156,798.94
  5. Step 5: Solve for x
    x = 547,805,156,798.94/1,157,075.80
  6. Step 6: Final answer
    x = 473,439.30

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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.