Home / 578,666.20-867,999.30-473,603.80

Finding the Fourth Proportional to 578,666.20, 867,999.30 and 473,603.80

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Solution

The fourth proportional to 578,666.20, 867,999.30 and 473,603.80 is: 710,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,666.20 : 867,999.30 = 473,603.80 : x
  2. Step 2: Convert to fraction form
    578,666.20/867,999.30 = 473,603.80/x
  3. Step 3: Cross multiply
    578,666.20x = 867,999.30 × 473,603.80
  4. Step 4: Simplify right side
    578,666.20x = 411,087,766,877.34
  5. Step 5: Solve for x
    x = 411,087,766,877.34/578,666.20
  6. Step 6: Final answer
    x = 710,405.70

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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.