Home / 1,210,816.96-1,816,220.40-369,365.92

Finding the Fourth Proportional to 1,210,816.96, 1,816,220.40 and 369,365.92

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Solution

The fourth proportional to 1,210,816.96, 1,816,220.40 and 369,365.92 is: 554,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,816.96 : 1,816,220.40 = 369,365.92 : x
  2. Step 2: Convert to fraction form
    1,210,816.96/1,816,220.40 = 369,365.92/x
  3. Step 3: Cross multiply
    1,210,816.96x = 1,816,220.40 × 369,365.92
  4. Step 4: Simplify right side
    1,210,816.96x = 670,849,918,968.77
  5. Step 5: Solve for x
    x = 670,849,918,968.77/1,210,816.96
  6. Step 6: Final answer
    x = 554,047.34

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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.