Home / 697,030.60-1,045,545.90-539,372.20

Finding the Fourth Proportional to 697,030.60, 1,045,545.90 and 539,372.20

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Solution

The fourth proportional to 697,030.60, 1,045,545.90 and 539,372.20 is: 809,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,030.60 : 1,045,545.90 = 539,372.20 : x
  2. Step 2: Convert to fraction form
    697,030.60/1,045,545.90 = 539,372.20/x
  3. Step 3: Cross multiply
    697,030.60x = 1,045,545.90 × 539,372.20
  4. Step 4: Simplify right side
    697,030.60x = 563,938,392,283.98
  5. Step 5: Solve for x
    x = 563,938,392,283.98/697,030.60
  6. Step 6: Final answer
    x = 809,058.30

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Double scale
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Similar ratio
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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.