Home / 963,451.32-1,328,814.36-657,774.12

Finding the Fourth Proportional to 963,451.32, 1,328,814.36 and 657,774.12

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Solution

The fourth proportional to 963,451.32, 1,328,814.36 and 657,774.12 is: 907,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,451.32 : 1,328,814.36 = 657,774.12 : x
  2. Step 2: Convert to fraction form
    963,451.32/1,328,814.36 = 657,774.12/x
  3. Step 3: Cross multiply
    963,451.32x = 1,328,814.36 × 657,774.12
  4. Step 4: Simplify right side
    963,451.32x = 874,059,696,292.36
  5. Step 5: Solve for x
    x = 874,059,696,292.36/963,451.32
  6. Step 6: Final answer
    x = 907,217.29

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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.