Home / 697,416.59-962,187.36-455,838.65

Finding the Fourth Proportional to 697,416.59, 962,187.36 and 455,838.65

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Solution

The fourth proportional to 697,416.59, 962,187.36 and 455,838.65 is: 628,895.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,416.59 : 962,187.36 = 455,838.65 : x
  2. Step 2: Convert to fraction form
    697,416.59/962,187.36 = 455,838.65/x
  3. Step 3: Cross multiply
    697,416.59x = 962,187.36 × 455,838.65
  4. Step 4: Simplify right side
    697,416.59x = 438,602,182,418.53
  5. Step 5: Solve for x
    x = 438,602,182,418.53/697,416.59
  6. Step 6: Final answer
    x = 628,895.54

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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.