Home / 808,545.60-1,212,818.40-556,603.20

Finding the Fourth Proportional to 808,545.60, 1,212,818.40 and 556,603.20

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Solution

The fourth proportional to 808,545.60, 1,212,818.40 and 556,603.20 is: 834,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,545.60 : 1,212,818.40 = 556,603.20 : x
  2. Step 2: Convert to fraction form
    808,545.60/1,212,818.40 = 556,603.20/x
  3. Step 3: Cross multiply
    808,545.60x = 1,212,818.40 × 556,603.20
  4. Step 4: Simplify right side
    808,545.60x = 675,058,602,458.88
  5. Step 5: Solve for x
    x = 675,058,602,458.88/808,545.60
  6. Step 6: Final answer
    x = 834,904.80

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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.