Home / 527,281.19-727,661.53-323,444.59

Finding the Fourth Proportional to 527,281.19, 727,661.53 and 323,444.59

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Solution

The fourth proportional to 527,281.19, 727,661.53 and 323,444.59 is: 446,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,281.19 : 727,661.53 = 323,444.59 : x
  2. Step 2: Convert to fraction form
    527,281.19/727,661.53 = 323,444.59/x
  3. Step 3: Cross multiply
    527,281.19x = 727,661.53 × 323,444.59
  4. Step 4: Simplify right side
    527,281.19x = 235,358,186,088.50
  5. Step 5: Solve for x
    x = 235,358,186,088.50/527,281.19
  6. Step 6: Final answer
    x = 446,361.81

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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.