Home / 989,897.48-1,366,059.39-537,188.48

Finding the Fourth Proportional to 989,897.48, 1,366,059.39 and 537,188.48

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Solution

The fourth proportional to 989,897.48, 1,366,059.39 and 537,188.48 is: 741,320.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,897.48 : 1,366,059.39 = 537,188.48 : x
  2. Step 2: Convert to fraction form
    989,897.48/1,366,059.39 = 537,188.48/x
  3. Step 3: Cross multiply
    989,897.48x = 1,366,059.39 × 537,188.48
  4. Step 4: Simplify right side
    989,897.48x = 733,831,367,303.83
  5. Step 5: Solve for x
    x = 733,831,367,303.83/989,897.48
  6. Step 6: Final answer
    x = 741,320.57

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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.