Home / 1,739,585.80-2,609,378.70-477,411.40

Finding the Fourth Proportional to 1,739,585.80, 2,609,378.70 and 477,411.40

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Solution

The fourth proportional to 1,739,585.80, 2,609,378.70 and 477,411.40 is: 716,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,585.80 : 2,609,378.70 = 477,411.40 : x
  2. Step 2: Convert to fraction form
    1,739,585.80/2,609,378.70 = 477,411.40/x
  3. Step 3: Cross multiply
    1,739,585.80x = 2,609,378.70 × 477,411.40
  4. Step 4: Simplify right side
    1,739,585.80x = 1,245,747,138,297.18
  5. Step 5: Solve for x
    x = 1,245,747,138,297.18/1,739,585.80
  6. Step 6: Final answer
    x = 716,117.10

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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.