Home / 834,520.64-1,151,639.10-452,547.32

Finding the Fourth Proportional to 834,520.64, 1,151,639.10 and 452,547.32

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Solution

The fourth proportional to 834,520.64, 1,151,639.10 and 452,547.32 is: 624,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,520.64 : 1,151,639.10 = 452,547.32 : x
  2. Step 2: Convert to fraction form
    834,520.64/1,151,639.10 = 452,547.32/x
  3. Step 3: Cross multiply
    834,520.64x = 1,151,639.10 × 452,547.32
  4. Step 4: Simplify right side
    834,520.64x = 521,171,188,312.21
  5. Step 5: Solve for x
    x = 521,171,188,312.21/834,520.64
  6. Step 6: Final answer
    x = 624,515.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.