Home / 945,506.79-1,418,522.63-525,077.91

Finding the Fourth Proportional to 945,506.79, 1,418,522.63 and 525,077.91

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Solution

The fourth proportional to 945,506.79, 1,418,522.63 and 525,077.91 is: 787,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,506.79 : 1,418,522.63 = 525,077.91 : x
  2. Step 2: Convert to fraction form
    945,506.79/1,418,522.63 = 525,077.91/x
  3. Step 3: Cross multiply
    945,506.79x = 1,418,522.63 × 525,077.91
  4. Step 4: Simplify right side
    945,506.79x = 744,834,895,222.71
  5. Step 5: Solve for x
    x = 744,834,895,222.71/945,506.79
  6. Step 6: Final answer
    x = 787,762.61

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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.