Home / 1,574,560.20-2,361,840.30-437,320.20

Finding the Fourth Proportional to 1,574,560.20, 2,361,840.30 and 437,320.20

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Solution

The fourth proportional to 1,574,560.20, 2,361,840.30 and 437,320.20 is: 655,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,560.20 : 2,361,840.30 = 437,320.20 : x
  2. Step 2: Convert to fraction form
    1,574,560.20/2,361,840.30 = 437,320.20/x
  3. Step 3: Cross multiply
    1,574,560.20x = 2,361,840.30 × 437,320.20
  4. Step 4: Simplify right side
    1,574,560.20x = 1,032,880,472,364.06
  5. Step 5: Solve for x
    x = 1,032,880,472,364.06/1,574,560.20
  6. Step 6: Final answer
    x = 655,980.30

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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.