Home / 926,346.58-1,389,917.29-358,126.76

Finding the Fourth Proportional to 926,346.58, 1,389,917.29 and 358,126.76

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Solution

The fourth proportional to 926,346.58, 1,389,917.29 and 358,126.76 is: 537,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,346.58 : 1,389,917.29 = 358,126.76 : x
  2. Step 2: Convert to fraction form
    926,346.58/1,389,917.29 = 358,126.76/x
  3. Step 3: Cross multiply
    926,346.58x = 1,389,917.29 × 358,126.76
  4. Step 4: Simplify right side
    926,346.58x = 497,766,567,702.92
  5. Step 5: Solve for x
    x = 497,766,567,702.92/926,346.58
  6. Step 6: Final answer
    x = 537,343.77

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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.