Home / 1,148,961.65-1,585,326.74-665,497.98

Finding the Fourth Proportional to 1,148,961.65, 1,585,326.74 and 665,497.98

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Solution

The fourth proportional to 1,148,961.65, 1,585,326.74 and 665,497.98 is: 918,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,961.65 : 1,585,326.74 = 665,497.98 : x
  2. Step 2: Convert to fraction form
    1,148,961.65/1,585,326.74 = 665,497.98/x
  3. Step 3: Cross multiply
    1,148,961.65x = 1,585,326.74 × 665,497.98
  4. Step 4: Simplify right side
    1,148,961.65x = 1,055,031,739,782.50
  5. Step 5: Solve for x
    x = 1,055,031,739,782.50/1,148,961.65
  6. Step 6: Final answer
    x = 918,248.01

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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.