Home / 863,477.39-1,293,533.03-525,680.19

Finding the Fourth Proportional to 863,477.39, 1,293,533.03 and 525,680.19

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Solution

The fourth proportional to 863,477.39, 1,293,533.03 and 525,680.19 is: 787,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,477.39 : 1,293,533.03 = 525,680.19 : x
  2. Step 2: Convert to fraction form
    863,477.39/1,293,533.03 = 525,680.19/x
  3. Step 3: Cross multiply
    863,477.39x = 1,293,533.03 × 525,680.19
  4. Step 4: Simplify right side
    863,477.39x = 679,984,686,353.28
  5. Step 5: Solve for x
    x = 679,984,686,353.28/863,477.39
  6. Step 6: Final answer
    x = 787,495.65

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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.