Home / 929,018.52-1,282,059.18-521,210.52

Finding the Fourth Proportional to 929,018.52, 1,282,059.18 and 521,210.52

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Solution

The fourth proportional to 929,018.52, 1,282,059.18 and 521,210.52 is: 719,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,018.52 : 1,282,059.18 = 521,210.52 : x
  2. Step 2: Convert to fraction form
    929,018.52/1,282,059.18 = 521,210.52/x
  3. Step 3: Cross multiply
    929,018.52x = 1,282,059.18 × 521,210.52
  4. Step 4: Simplify right side
    929,018.52x = 668,222,731,878.57
  5. Step 5: Solve for x
    x = 668,222,731,878.57/929,018.52
  6. Step 6: Final answer
    x = 719,278.16

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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.