Home / 877,806.80-1,316,710.20-578,625.20

Finding the Fourth Proportional to 877,806.80, 1,316,710.20 and 578,625.20

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Solution

The fourth proportional to 877,806.80, 1,316,710.20 and 578,625.20 is: 867,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,806.80 : 1,316,710.20 = 578,625.20 : x
  2. Step 2: Convert to fraction form
    877,806.80/1,316,710.20 = 578,625.20/x
  3. Step 3: Cross multiply
    877,806.80x = 1,316,710.20 × 578,625.20
  4. Step 4: Simplify right side
    877,806.80x = 761,881,702,817.04
  5. Step 5: Solve for x
    x = 761,881,702,817.04/877,806.80
  6. Step 6: Final answer
    x = 867,937.80

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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.