Home / 1,545,964.60-2,318,946.90-424,031.80

Finding the Fourth Proportional to 1,545,964.60, 2,318,946.90 and 424,031.80

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Solution

The fourth proportional to 1,545,964.60, 2,318,946.90 and 424,031.80 is: 636,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,964.60 : 2,318,946.90 = 424,031.80 : x
  2. Step 2: Convert to fraction form
    1,545,964.60/2,318,946.90 = 424,031.80/x
  3. Step 3: Cross multiply
    1,545,964.60x = 2,318,946.90 × 424,031.80
  4. Step 4: Simplify right side
    1,545,964.60x = 983,307,228,111.42
  5. Step 5: Solve for x
    x = 983,307,228,111.42/1,545,964.60
  6. Step 6: Final answer
    x = 636,047.70

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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.