Home / 877,476.08-1,316,411.22-316,510.58

Finding the Fourth Proportional to 877,476.08, 1,316,411.22 and 316,510.58

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Solution

The fourth proportional to 877,476.08, 1,316,411.22 and 316,510.58 is: 474,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,476.08 : 1,316,411.22 = 316,510.58 : x
  2. Step 2: Convert to fraction form
    877,476.08/1,316,411.22 = 316,510.58/x
  3. Step 3: Cross multiply
    877,476.08x = 1,316,411.22 × 316,510.58
  4. Step 4: Simplify right side
    877,476.08x = 416,658,078,760.71
  5. Step 5: Solve for x
    x = 416,658,078,760.71/877,476.08
  6. Step 6: Final answer
    x = 474,836.97

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1.5x scale

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.