Home / 710,525.70-1,065,788.55-512,237.70

Finding the Fourth Proportional to 710,525.70, 1,065,788.55 and 512,237.70

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Solution

The fourth proportional to 710,525.70, 1,065,788.55 and 512,237.70 is: 768,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,525.70 : 1,065,788.55 = 512,237.70 : x
  2. Step 2: Convert to fraction form
    710,525.70/1,065,788.55 = 512,237.70/x
  3. Step 3: Cross multiply
    710,525.70x = 1,065,788.55 × 512,237.70
  4. Step 4: Simplify right side
    710,525.70x = 545,937,075,538.34
  5. Step 5: Solve for x
    x = 545,937,075,538.34/710,525.70
  6. Step 6: Final answer
    x = 768,356.55

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Double scale
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Similar ratio
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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.