Home / 953,317.18-1,315,588.53-523,607.32

Finding the Fourth Proportional to 953,317.18, 1,315,588.53 and 523,607.32

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Solution

The fourth proportional to 953,317.18, 1,315,588.53 and 523,607.32 is: 722,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,317.18 : 1,315,588.53 = 523,607.32 : x
  2. Step 2: Convert to fraction form
    953,317.18/1,315,588.53 = 523,607.32/x
  3. Step 3: Cross multiply
    953,317.18x = 1,315,588.53 × 523,607.32
  4. Step 4: Simplify right side
    953,317.18x = 688,851,784,416.04
  5. Step 5: Solve for x
    x = 688,851,784,416.04/953,317.18
  6. Step 6: Final answer
    x = 722,584.05

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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.