Home / 779,497.52-1,075,813.34-435,354.60

Finding the Fourth Proportional to 779,497.52, 1,075,813.34 and 435,354.60

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Solution

The fourth proportional to 779,497.52, 1,075,813.34 and 435,354.60 is: 600,848.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,497.52 : 1,075,813.34 = 435,354.60 : x
  2. Step 2: Convert to fraction form
    779,497.52/1,075,813.34 = 435,354.60/x
  3. Step 3: Cross multiply
    779,497.52x = 1,075,813.34 × 435,354.60
  4. Step 4: Simplify right side
    779,497.52x = 468,360,284,133.59
  5. Step 5: Solve for x
    x = 468,360,284,133.59/779,497.52
  6. Step 6: Final answer
    x = 600,848.98

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Double scale
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1.5x scale

Why These Related Problems?

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