Home / 847,503.32-1,169,561.52-465,538.64

Finding the Fourth Proportional to 847,503.32, 1,169,561.52 and 465,538.64

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Solution

The fourth proportional to 847,503.32, 1,169,561.52 and 465,538.64 is: 642,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,503.32 : 1,169,561.52 = 465,538.64 : x
  2. Step 2: Convert to fraction form
    847,503.32/1,169,561.52 = 465,538.64/x
  3. Step 3: Cross multiply
    847,503.32x = 1,169,561.52 × 465,538.64
  4. Step 4: Simplify right side
    847,503.32x = 544,476,079,417.13
  5. Step 5: Solve for x
    x = 544,476,079,417.13/847,503.32
  6. Step 6: Final answer
    x = 642,447.13

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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.