Home / 926,203.20-1,389,499.20-286,454.40

Finding the Fourth Proportional to 926,203.20, 1,389,499.20 and 286,454.40

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Solution

The fourth proportional to 926,203.20, 1,389,499.20 and 286,454.40 is: 429,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,203.20 : 1,389,499.20 = 286,454.40 : x
  2. Step 2: Convert to fraction form
    926,203.20/1,389,499.20 = 286,454.40/x
  3. Step 3: Cross multiply
    926,203.20x = 1,389,499.20 × 286,454.40
  4. Step 4: Simplify right side
    926,203.20x = 398,028,159,636.48
  5. Step 5: Solve for x
    x = 398,028,159,636.48/926,203.20
  6. Step 6: Final answer
    x = 429,741.72

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Double scale
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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.