Home / 945,510.79-1,418,528.64-525,081.91

Finding the Fourth Proportional to 945,510.79, 1,418,528.64 and 525,081.91

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Solution

The fourth proportional to 945,510.79, 1,418,528.64 and 525,081.91 is: 787,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,510.79 : 1,418,528.64 = 525,081.91 : x
  2. Step 2: Convert to fraction form
    945,510.79/1,418,528.64 = 525,081.91/x
  3. Step 3: Cross multiply
    945,510.79x = 1,418,528.64 × 525,081.91
  4. Step 4: Simplify right side
    945,510.79x = 744,843,727,680.90
  5. Step 5: Solve for x
    x = 744,843,727,680.90/945,510.79
  6. Step 6: Final answer
    x = 787,768.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.