Home / 756,368.09-1,043,787.93-416,836.34

Finding the Fourth Proportional to 756,368.09, 1,043,787.93 and 416,836.34

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Solution

The fourth proportional to 756,368.09, 1,043,787.93 and 416,836.34 is: 575,234.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,368.09 : 1,043,787.93 = 416,836.34 : x
  2. Step 2: Convert to fraction form
    756,368.09/1,043,787.93 = 416,836.34/x
  3. Step 3: Cross multiply
    756,368.09x = 1,043,787.93 × 416,836.34
  4. Step 4: Simplify right side
    756,368.09x = 435,088,740,477.38
  5. Step 5: Solve for x
    x = 435,088,740,477.38/756,368.09
  6. Step 6: Final answer
    x = 575,234.13

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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.