Home / 761,300.65-1,141,838.20-461,700.79

Finding the Fourth Proportional to 761,300.65, 1,141,838.20 and 461,700.79

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Solution

The fourth proportional to 761,300.65, 1,141,838.20 and 461,700.79 is: 692,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,300.65 : 1,141,838.20 = 461,700.79 : x
  2. Step 2: Convert to fraction form
    761,300.65/1,141,838.20 = 461,700.79/x
  3. Step 3: Cross multiply
    761,300.65x = 1,141,838.20 × 461,700.79
  4. Step 4: Simplify right side
    761,300.65x = 527,187,596,714.71
  5. Step 5: Solve for x
    x = 527,187,596,714.71/761,300.65
  6. Step 6: Final answer
    x = 692,482.79

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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.