Home / 788,970.57-1,088,523.01-482,727.70

Finding the Fourth Proportional to 788,970.57, 1,088,523.01 and 482,727.70

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Solution

The fourth proportional to 788,970.57, 1,088,523.01 and 482,727.70 is: 666,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,970.57 : 1,088,523.01 = 482,727.70 : x
  2. Step 2: Convert to fraction form
    788,970.57/1,088,523.01 = 482,727.70/x
  3. Step 3: Cross multiply
    788,970.57x = 1,088,523.01 × 482,727.70
  4. Step 4: Simplify right side
    788,970.57x = 525,460,201,158.12
  5. Step 5: Solve for x
    x = 525,460,201,158.12/788,970.57
  6. Step 6: Final answer
    x = 666,007.35

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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.