Home / 963,369.74-1,329,433.62-533,640.86

Finding the Fourth Proportional to 963,369.74, 1,329,433.62 and 533,640.86

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Solution

The fourth proportional to 963,369.74, 1,329,433.62 and 533,640.86 is: 736,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,369.74 : 1,329,433.62 = 533,640.86 : x
  2. Step 2: Convert to fraction form
    963,369.74/1,329,433.62 = 533,640.86/x
  3. Step 3: Cross multiply
    963,369.74x = 1,329,433.62 × 533,640.86
  4. Step 4: Simplify right side
    963,369.74x = 709,440,100,289.71
  5. Step 5: Solve for x
    x = 709,440,100,289.71/963,369.74
  6. Step 6: Final answer
    x = 736,415.18

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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.