Home / 730,153.53-1,008,302.04-690,393.87

Finding the Fourth Proportional to 730,153.53, 1,008,302.04 and 690,393.87

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Solution

The fourth proportional to 730,153.53, 1,008,302.04 and 690,393.87 is: 953,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,153.53 : 1,008,302.04 = 690,393.87 : x
  2. Step 2: Convert to fraction form
    730,153.53/1,008,302.04 = 690,393.87/x
  3. Step 3: Cross multiply
    730,153.53x = 1,008,302.04 × 690,393.87
  4. Step 4: Simplify right side
    730,153.53x = 696,125,547,524.50
  5. Step 5: Solve for x
    x = 696,125,547,524.50/730,153.53
  6. Step 6: Final answer
    x = 953,396.13

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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.