Home / 1,685,938.80-2,528,033.40-620,432.40

Finding the Fourth Proportional to 1,685,938.80, 2,528,033.40 and 620,432.40

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Solution

The fourth proportional to 1,685,938.80, 2,528,033.40 and 620,432.40 is: 930,326.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,938.80 : 2,528,033.40 = 620,432.40 : x
  2. Step 2: Convert to fraction form
    1,685,938.80/2,528,033.40 = 620,432.40/x
  3. Step 3: Cross multiply
    1,685,938.80x = 2,528,033.40 × 620,432.40
  4. Step 4: Simplify right side
    1,685,938.80x = 1,568,473,829,642.16
  5. Step 5: Solve for x
    x = 1,568,473,829,642.16/1,685,938.80
  6. Step 6: Final answer
    x = 930,326.67

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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.