Home / 1,010,862.20-1,516,653.89-434,243.18

Finding the Fourth Proportional to 1,010,862.20, 1,516,653.89 and 434,243.18

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Solution

The fourth proportional to 1,010,862.20, 1,516,653.89 and 434,243.18 is: 651,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,862.20 : 1,516,653.89 = 434,243.18 : x
  2. Step 2: Convert to fraction form
    1,010,862.20/1,516,653.89 = 434,243.18/x
  3. Step 3: Cross multiply
    1,010,862.20x = 1,516,653.89 × 434,243.18
  4. Step 4: Simplify right side
    1,010,862.20x = 658,596,608,152.97
  5. Step 5: Solve for x
    x = 658,596,608,152.97/1,010,862.20
  6. Step 6: Final answer
    x = 651,519.67

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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.