Home / 907,485.60-1,361,746.80-346,922.40

Finding the Fourth Proportional to 907,485.60, 1,361,746.80 and 346,922.40

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Solution

The fourth proportional to 907,485.60, 1,361,746.80 and 346,922.40 is: 520,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,485.60 : 1,361,746.80 = 346,922.40 : x
  2. Step 2: Convert to fraction form
    907,485.60/1,361,746.80 = 346,922.40/x
  3. Step 3: Cross multiply
    907,485.60x = 1,361,746.80 × 346,922.40
  4. Step 4: Simplify right side
    907,485.60x = 472,420,468,048.32
  5. Step 5: Solve for x
    x = 472,420,468,048.32/907,485.60
  6. Step 6: Final answer
    x = 520,581.78

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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.