Home / 933,136.64-1,287,769.56-525,264.80

Finding the Fourth Proportional to 933,136.64, 1,287,769.56 and 525,264.80

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Solution

The fourth proportional to 933,136.64, 1,287,769.56 and 525,264.80 is: 724,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,136.64 : 1,287,769.56 = 525,264.80 : x
  2. Step 2: Convert to fraction form
    933,136.64/1,287,769.56 = 525,264.80/x
  3. Step 3: Cross multiply
    933,136.64x = 1,287,769.56 × 525,264.80
  4. Step 4: Simplify right side
    933,136.64x = 676,420,020,379.49
  5. Step 5: Solve for x
    x = 676,420,020,379.49/933,136.64
  6. Step 6: Final answer
    x = 724,888.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.