Home / 756,312.64-1,043,706.44-416,781.16

Finding the Fourth Proportional to 756,312.64, 1,043,706.44 and 416,781.16

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Solution

The fourth proportional to 756,312.64, 1,043,706.44 and 416,781.16 is: 575,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,312.64 : 1,043,706.44 = 416,781.16 : x
  2. Step 2: Convert to fraction form
    756,312.64/1,043,706.44 = 416,781.16/x
  3. Step 3: Cross multiply
    756,312.64x = 1,043,706.44 × 416,781.16
  4. Step 4: Simplify right side
    756,312.64x = 434,997,180,762.67
  5. Step 5: Solve for x
    x = 434,997,180,762.67/756,312.64
  6. Step 6: Final answer
    x = 575,155.24

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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.