Home / 527,389.71-727,319.37-346,032.72

Finding the Fourth Proportional to 527,389.71, 727,319.37 and 346,032.72

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Solution

The fourth proportional to 527,389.71, 727,319.37 and 346,032.72 is: 477,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,389.71 : 727,319.37 = 346,032.72 : x
  2. Step 2: Convert to fraction form
    527,389.71/727,319.37 = 346,032.72/x
  3. Step 3: Cross multiply
    527,389.71x = 727,319.37 × 346,032.72
  4. Step 4: Simplify right side
    527,389.71x = 251,676,299,909.79
  5. Step 5: Solve for x
    x = 251,676,299,909.79/527,389.71
  6. Step 6: Final answer
    x = 477,211.24

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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.