Home / 921,882.63-1,272,281.58-559,398.32

Finding the Fourth Proportional to 921,882.63, 1,272,281.58 and 559,398.32

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Solution

The fourth proportional to 921,882.63, 1,272,281.58 and 559,398.32 is: 772,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,882.63 : 1,272,281.58 = 559,398.32 : x
  2. Step 2: Convert to fraction form
    921,882.63/1,272,281.58 = 559,398.32/x
  3. Step 3: Cross multiply
    921,882.63x = 1,272,281.58 × 559,398.32
  4. Step 4: Simplify right side
    921,882.63x = 711,712,178,418.95
  5. Step 5: Solve for x
    x = 711,712,178,418.95/921,882.63
  6. Step 6: Final answer
    x = 772,020.38

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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.