Home / 1,315,430.61-1,973,200.77-416,852.46

Finding the Fourth Proportional to 1,315,430.61, 1,973,200.77 and 416,852.46

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Solution

The fourth proportional to 1,315,430.61, 1,973,200.77 and 416,852.46 is: 625,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,430.61 : 1,973,200.77 = 416,852.46 : x
  2. Step 2: Convert to fraction form
    1,315,430.61/1,973,200.77 = 416,852.46/x
  3. Step 3: Cross multiply
    1,315,430.61x = 1,973,200.77 × 416,852.46
  4. Step 4: Simplify right side
    1,315,430.61x = 822,533,595,048.39
  5. Step 5: Solve for x
    x = 822,533,595,048.39/1,315,430.61
  6. Step 6: Final answer
    x = 625,296.07

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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.