Home / 910,545.60-1,365,818.40-611,947.20

Finding the Fourth Proportional to 910,545.60, 1,365,818.40 and 611,947.20

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Solution

The fourth proportional to 910,545.60, 1,365,818.40 and 611,947.20 is: 917,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,545.60 : 1,365,818.40 = 611,947.20 : x
  2. Step 2: Convert to fraction form
    910,545.60/1,365,818.40 = 611,947.20/x
  3. Step 3: Cross multiply
    910,545.60x = 1,365,818.40 × 611,947.20
  4. Step 4: Simplify right side
    910,545.60x = 835,808,745,588.48
  5. Step 5: Solve for x
    x = 835,808,745,588.48/910,545.60
  6. Step 6: Final answer
    x = 917,920.80

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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.