Home / 972,606.99-1,342,421.60-570,328.59

Finding the Fourth Proportional to 972,606.99, 1,342,421.60 and 570,328.59

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Solution

The fourth proportional to 972,606.99, 1,342,421.60 and 570,328.59 is: 787,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,606.99 : 1,342,421.60 = 570,328.59 : x
  2. Step 2: Convert to fraction form
    972,606.99/1,342,421.60 = 570,328.59/x
  3. Step 3: Cross multiply
    972,606.99x = 1,342,421.60 × 570,328.59
  4. Step 4: Simplify right side
    972,606.99x = 765,621,415,461.90
  5. Step 5: Solve for x
    x = 765,621,415,461.90/972,606.99
  6. Step 6: Final answer
    x = 787,184.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.