Home / 452,111.40-623,909.70-248,156.28

Finding the Fourth Proportional to 452,111.40, 623,909.70 and 248,156.28

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Solution

The fourth proportional to 452,111.40, 623,909.70 and 248,156.28 is: 342,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,111.40 : 623,909.70 = 248,156.28 : x
  2. Step 2: Convert to fraction form
    452,111.40/623,909.70 = 248,156.28/x
  3. Step 3: Cross multiply
    452,111.40x = 623,909.70 × 248,156.28
  4. Step 4: Simplify right side
    452,111.40x = 154,827,110,207.92
  5. Step 5: Solve for x
    x = 154,827,110,207.92/452,111.40
  6. Step 6: Final answer
    x = 342,453.45

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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.