Home / 1,225,769.04-1,838,653.56-384,386.40

Finding the Fourth Proportional to 1,225,769.04, 1,838,653.56 and 384,386.40

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Solution

The fourth proportional to 1,225,769.04, 1,838,653.56 and 384,386.40 is: 576,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,769.04 : 1,838,653.56 = 384,386.40 : x
  2. Step 2: Convert to fraction form
    1,225,769.04/1,838,653.56 = 384,386.40/x
  3. Step 3: Cross multiply
    1,225,769.04x = 1,838,653.56 × 384,386.40
  4. Step 4: Simplify right side
    1,225,769.04x = 706,753,422,775.58
  5. Step 5: Solve for x
    x = 706,753,422,775.58/1,225,769.04
  6. Step 6: Final answer
    x = 576,579.60

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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.