Home / 779,294.61-1,075,444.83-435,118.91

Finding the Fourth Proportional to 779,294.61, 1,075,444.83 and 435,118.91

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Solution

The fourth proportional to 779,294.61, 1,075,444.83 and 435,118.91 is: 600,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,294.61 : 1,075,444.83 = 435,118.91 : x
  2. Step 2: Convert to fraction form
    779,294.61/1,075,444.83 = 435,118.91/x
  3. Step 3: Cross multiply
    779,294.61x = 1,075,444.83 × 435,118.91
  4. Step 4: Simplify right side
    779,294.61x = 467,946,376,817.51
  5. Step 5: Solve for x
    x = 467,946,376,817.51/779,294.61
  6. Step 6: Final answer
    x = 600,474.29

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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.