Home / 1,209,117.80-1,814,367.90-461,700.20

Finding the Fourth Proportional to 1,209,117.80, 1,814,367.90 and 461,700.20

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Solution

The fourth proportional to 1,209,117.80, 1,814,367.90 and 461,700.20 is: 692,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,117.80 : 1,814,367.90 = 461,700.20 : x
  2. Step 2: Convert to fraction form
    1,209,117.80/1,814,367.90 = 461,700.20/x
  3. Step 3: Cross multiply
    1,209,117.80x = 1,814,367.90 × 461,700.20
  4. Step 4: Simplify right side
    1,209,117.80x = 837,694,022,303.58
  5. Step 5: Solve for x
    x = 837,694,022,303.58/1,209,117.80
  6. Step 6: Final answer
    x = 692,814.23

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Double scale
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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.