Home / 1,026,391.76-1,539,425.88-343,273.40

Finding the Fourth Proportional to 1,026,391.76, 1,539,425.88 and 343,273.40

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Solution

The fourth proportional to 1,026,391.76, 1,539,425.88 and 343,273.40 is: 514,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,391.76 : 1,539,425.88 = 343,273.40 : x
  2. Step 2: Convert to fraction form
    1,026,391.76/1,539,425.88 = 343,273.40/x
  3. Step 3: Cross multiply
    1,026,391.76x = 1,539,425.88 × 343,273.40
  4. Step 4: Simplify right side
    1,026,391.76x = 528,443,955,875.59
  5. Step 5: Solve for x
    x = 528,443,955,875.59/1,026,391.76
  6. Step 6: Final answer
    x = 514,856.00

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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.