Home / 743,242.89-1,025,746.74-416,554.32

Finding the Fourth Proportional to 743,242.89, 1,025,746.74 and 416,554.32

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Solution

The fourth proportional to 743,242.89, 1,025,746.74 and 416,554.32 is: 574,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,242.89 : 1,025,746.74 = 416,554.32 : x
  2. Step 2: Convert to fraction form
    743,242.89/1,025,746.74 = 416,554.32/x
  3. Step 3: Cross multiply
    743,242.89x = 1,025,746.74 × 416,554.32
  4. Step 4: Simplify right side
    743,242.89x = 427,279,235,772.92
  5. Step 5: Solve for x
    x = 427,279,235,772.92/743,242.89
  6. Step 6: Final answer
    x = 574,885.06

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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.