Home / 1,157,585.20-1,736,443.40-358,980.28

Finding the Fourth Proportional to 1,157,585.20, 1,736,443.40 and 358,980.28

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Solution

The fourth proportional to 1,157,585.20, 1,736,443.40 and 358,980.28 is: 538,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,585.20 : 1,736,443.40 = 358,980.28 : x
  2. Step 2: Convert to fraction form
    1,157,585.20/1,736,443.40 = 358,980.28/x
  3. Step 3: Cross multiply
    1,157,585.20x = 1,736,443.40 × 358,980.28
  4. Step 4: Simplify right side
    1,157,585.20x = 623,348,934,492.49
  5. Step 5: Solve for x
    x = 623,348,934,492.49/1,157,585.20
  6. Step 6: Final answer
    x = 538,490.76

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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.