Home / 1,115,516.16-1,539,421.92-606,218.40

Finding the Fourth Proportional to 1,115,516.16, 1,539,421.92 and 606,218.40

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Solution

The fourth proportional to 1,115,516.16, 1,539,421.92 and 606,218.40 is: 836,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,516.16 : 1,539,421.92 = 606,218.40 : x
  2. Step 2: Convert to fraction form
    1,115,516.16/1,539,421.92 = 606,218.40/x
  3. Step 3: Cross multiply
    1,115,516.16x = 1,539,421.92 × 606,218.40
  4. Step 4: Simplify right side
    1,115,516.16x = 933,225,893,267.33
  5. Step 5: Solve for x
    x = 933,225,893,267.33/1,115,516.16
  6. Step 6: Final answer
    x = 836,586.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.