Home / 877,641.10-1,316,461.65-212,793.10

Finding the Fourth Proportional to 877,641.10, 1,316,461.65 and 212,793.10

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Solution

The fourth proportional to 877,641.10, 1,316,461.65 and 212,793.10 is: 319,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,641.10 : 1,316,461.65 = 212,793.10 : x
  2. Step 2: Convert to fraction form
    877,641.10/1,316,461.65 = 212,793.10/x
  3. Step 3: Cross multiply
    877,641.10x = 1,316,461.65 × 212,793.10
  4. Step 4: Simplify right side
    877,641.10x = 280,133,955,534.62
  5. Step 5: Solve for x
    x = 280,133,955,534.62/877,641.10
  6. Step 6: Final answer
    x = 319,189.65

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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.