Home / 1,527,206.40-2,290,809.60-816,868.80

Finding the Fourth Proportional to 1,527,206.40, 2,290,809.60 and 816,868.80

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Solution

The fourth proportional to 1,527,206.40, 2,290,809.60 and 816,868.80 is: 1,225,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,206.40 : 2,290,809.60 = 816,868.80 : x
  2. Step 2: Convert to fraction form
    1,527,206.40/2,290,809.60 = 816,868.80/x
  3. Step 3: Cross multiply
    1,527,206.40x = 2,290,809.60 × 816,868.80
  4. Step 4: Simplify right side
    1,527,206.40x = 1,871,290,888,980.48
  5. Step 5: Solve for x
    x = 1,871,290,888,980.48/1,527,206.40
  6. Step 6: Final answer
    x = 1,225,303.20

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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.