Home / 1,225,535.40-1,838,303.10-372,605.40

Finding the Fourth Proportional to 1,225,535.40, 1,838,303.10 and 372,605.40

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Solution

The fourth proportional to 1,225,535.40, 1,838,303.10 and 372,605.40 is: 558,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,535.40 : 1,838,303.10 = 372,605.40 : x
  2. Step 2: Convert to fraction form
    1,225,535.40/1,838,303.10 = 372,605.40/x
  3. Step 3: Cross multiply
    1,225,535.40x = 1,838,303.10 × 372,605.40
  4. Step 4: Simplify right side
    1,225,535.40x = 684,961,661,896.74
  5. Step 5: Solve for x
    x = 684,961,661,896.74/1,225,535.40
  6. Step 6: Final answer
    x = 558,908.10

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Double scale
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Similar ratio
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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.