Home / 684,293.60-1,026,440.40-617,938.40

Finding the Fourth Proportional to 684,293.60, 1,026,440.40 and 617,938.40

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Solution

The fourth proportional to 684,293.60, 1,026,440.40 and 617,938.40 is: 926,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,293.60 : 1,026,440.40 = 617,938.40 : x
  2. Step 2: Convert to fraction form
    684,293.60/1,026,440.40 = 617,938.40/x
  3. Step 3: Cross multiply
    684,293.60x = 1,026,440.40 × 617,938.40
  4. Step 4: Simplify right side
    684,293.60x = 634,276,938,471.36
  5. Step 5: Solve for x
    x = 634,276,938,471.36/684,293.60
  6. Step 6: Final answer
    x = 926,907.60

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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.