Home / 1,106,423.28-1,658,876.76-396,435.60

Finding the Fourth Proportional to 1,106,423.28, 1,658,876.76 and 396,435.60

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Solution

The fourth proportional to 1,106,423.28, 1,658,876.76 and 396,435.60 is: 594,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,423.28 : 1,658,876.76 = 396,435.60 : x
  2. Step 2: Convert to fraction form
    1,106,423.28/1,658,876.76 = 396,435.60/x
  3. Step 3: Cross multiply
    1,106,423.28x = 1,658,876.76 × 396,435.60
  4. Step 4: Simplify right side
    1,106,423.28x = 657,637,803,676.66
  5. Step 5: Solve for x
    x = 657,637,803,676.66/1,106,423.28
  6. Step 6: Final answer
    x = 594,381.75

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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.