Home / 1,069,812.80-1,604,330.40-537,156.80

Finding the Fourth Proportional to 1,069,812.80, 1,604,330.40 and 537,156.80

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Solution

The fourth proportional to 1,069,812.80, 1,604,330.40 and 537,156.80 is: 805,539.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,812.80 : 1,604,330.40 = 537,156.80 : x
  2. Step 2: Convert to fraction form
    1,069,812.80/1,604,330.40 = 537,156.80/x
  3. Step 3: Cross multiply
    1,069,812.80x = 1,604,330.40 × 537,156.80
  4. Step 4: Simplify right side
    1,069,812.80x = 861,776,983,806.72
  5. Step 5: Solve for x
    x = 861,776,983,806.72/1,069,812.80
  6. Step 6: Final answer
    x = 805,539.98

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Double scale
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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.