Home / 2,130,686.40-3,196,029.60-614,366.40

Finding the Fourth Proportional to 2,130,686.40, 3,196,029.60 and 614,366.40

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Solution

The fourth proportional to 2,130,686.40, 3,196,029.60 and 614,366.40 is: 921,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,686.40 : 3,196,029.60 = 614,366.40 : x
  2. Step 2: Convert to fraction form
    2,130,686.40/3,196,029.60 = 614,366.40/x
  3. Step 3: Cross multiply
    2,130,686.40x = 3,196,029.60 × 614,366.40
  4. Step 4: Simplify right side
    2,130,686.40x = 1,963,533,199,645.44
  5. Step 5: Solve for x
    x = 1,963,533,199,645.44/2,130,686.40
  6. Step 6: Final answer
    x = 921,549.60

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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.