Home / 974,858.10-1,345,429.50-545,162.42

Finding the Fourth Proportional to 974,858.10, 1,345,429.50 and 545,162.42

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Solution

The fourth proportional to 974,858.10, 1,345,429.50 and 545,162.42 is: 752,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,858.10 : 1,345,429.50 = 545,162.42 : x
  2. Step 2: Convert to fraction form
    974,858.10/1,345,429.50 = 545,162.42/x
  3. Step 3: Cross multiply
    974,858.10x = 1,345,429.50 × 545,162.42
  4. Step 4: Simplify right side
    974,858.10x = 733,477,602,159.39
  5. Step 5: Solve for x
    x = 733,477,602,159.39/974,858.10
  6. Step 6: Final answer
    x = 752,394.22

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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.