Home / 1,070,798.45-1,606,025.31-312,461.87

Finding the Fourth Proportional to 1,070,798.45, 1,606,025.31 and 312,461.87

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Solution

The fourth proportional to 1,070,798.45, 1,606,025.31 and 312,461.87 is: 468,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,798.45 : 1,606,025.31 = 312,461.87 : x
  2. Step 2: Convert to fraction form
    1,070,798.45/1,606,025.31 = 312,461.87/x
  3. Step 3: Cross multiply
    1,070,798.45x = 1,606,025.31 × 312,461.87
  4. Step 4: Simplify right side
    1,070,798.45x = 501,821,663,599.80
  5. Step 5: Solve for x
    x = 501,821,663,599.80/1,070,798.45
  6. Step 6: Final answer
    x = 468,642.50

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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.