Home / 883,045.80-1,323,207.90-657,347.40

Finding the Fourth Proportional to 883,045.80, 1,323,207.90 and 657,347.40

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Solution

The fourth proportional to 883,045.80, 1,323,207.90 and 657,347.40 is: 985,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,045.80 : 1,323,207.90 = 657,347.40 : x
  2. Step 2: Convert to fraction form
    883,045.80/1,323,207.90 = 657,347.40/x
  3. Step 3: Cross multiply
    883,045.80x = 1,323,207.90 × 657,347.40
  4. Step 4: Simplify right side
    883,045.80x = 869,807,272,724.46
  5. Step 5: Solve for x
    x = 869,807,272,724.46/883,045.80
  6. Step 6: Final answer
    x = 985,008.11

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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.