Home / 563,612.40-846,196.20-445,417.20

Finding the Fourth Proportional to 563,612.40, 846,196.20 and 445,417.20

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Solution

The fourth proportional to 563,612.40, 846,196.20 and 445,417.20 is: 668,740.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,612.40 : 846,196.20 = 445,417.20 : x
  2. Step 2: Convert to fraction form
    563,612.40/846,196.20 = 445,417.20/x
  3. Step 3: Cross multiply
    563,612.40x = 846,196.20 × 445,417.20
  4. Step 4: Simplify right side
    563,612.40x = 376,910,342,054.64
  5. Step 5: Solve for x
    x = 376,910,342,054.64/563,612.40
  6. Step 6: Final answer
    x = 668,740.33

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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.