Home / 651,042.80-976,564.20-539,068.40

Finding the Fourth Proportional to 651,042.80, 976,564.20 and 539,068.40

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Solution

The fourth proportional to 651,042.80, 976,564.20 and 539,068.40 is: 808,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,042.80 : 976,564.20 = 539,068.40 : x
  2. Step 2: Convert to fraction form
    651,042.80/976,564.20 = 539,068.40/x
  3. Step 3: Cross multiply
    651,042.80x = 976,564.20 × 539,068.40
  4. Step 4: Simplify right side
    651,042.80x = 526,434,900,791.28
  5. Step 5: Solve for x
    x = 526,434,900,791.28/651,042.80
  6. Step 6: Final answer
    x = 808,602.60

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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.