Home / 679,505.34-937,697.67-373,582.32

Finding the Fourth Proportional to 679,505.34, 937,697.67 and 373,582.32

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Solution

The fourth proportional to 679,505.34, 937,697.67 and 373,582.32 is: 515,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,505.34 : 937,697.67 = 373,582.32 : x
  2. Step 2: Convert to fraction form
    679,505.34/937,697.67 = 373,582.32/x
  3. Step 3: Cross multiply
    679,505.34x = 937,697.67 × 373,582.32
  4. Step 4: Simplify right side
    679,505.34x = 350,307,271,017.19
  5. Step 5: Solve for x
    x = 350,307,271,017.19/679,505.34
  6. Step 6: Final answer
    x = 515,532.77

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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.