Home / 898,719.39-1,240,068.42-511,511.94

Finding the Fourth Proportional to 898,719.39, 1,240,068.42 and 511,511.94

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Solution

The fourth proportional to 898,719.39, 1,240,068.42 and 511,511.94 is: 705,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,719.39 : 1,240,068.42 = 511,511.94 : x
  2. Step 2: Convert to fraction form
    898,719.39/1,240,068.42 = 511,511.94/x
  3. Step 3: Cross multiply
    898,719.39x = 1,240,068.42 × 511,511.94
  4. Step 4: Simplify right side
    898,719.39x = 634,309,803,246.94
  5. Step 5: Solve for x
    x = 634,309,803,246.94/898,719.39
  6. Step 6: Final answer
    x = 705,792.94

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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.