Home / 847,774.82-1,169,639.89-525,367.28

Finding the Fourth Proportional to 847,774.82, 1,169,639.89 and 525,367.28

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Solution

The fourth proportional to 847,774.82, 1,169,639.89 and 525,367.28 is: 724,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,774.82 : 1,169,639.89 = 525,367.28 : x
  2. Step 2: Convert to fraction form
    847,774.82/1,169,639.89 = 525,367.28/x
  3. Step 3: Cross multiply
    847,774.82x = 1,169,639.89 × 525,367.28
  4. Step 4: Simplify right side
    847,774.82x = 614,490,521,740.60
  5. Step 5: Solve for x
    x = 614,490,521,740.60/847,774.82
  6. Step 6: Final answer
    x = 724,827.53

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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.