Home / 1,133,210.40-1,699,815.60-385,256.40

Finding the Fourth Proportional to 1,133,210.40, 1,699,815.60 and 385,256.40

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Solution

The fourth proportional to 1,133,210.40, 1,699,815.60 and 385,256.40 is: 577,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,210.40 : 1,699,815.60 = 385,256.40 : x
  2. Step 2: Convert to fraction form
    1,133,210.40/1,699,815.60 = 385,256.40/x
  3. Step 3: Cross multiply
    1,133,210.40x = 1,699,815.60 × 385,256.40
  4. Step 4: Simplify right side
    1,133,210.40x = 654,864,838,719.84
  5. Step 5: Solve for x
    x = 654,864,838,719.84/1,133,210.40
  6. Step 6: Final answer
    x = 577,884.60

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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.