Home / 953,075.81-1,315,267.59-517,511.67

Finding the Fourth Proportional to 953,075.81, 1,315,267.59 and 517,511.67

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Solution

The fourth proportional to 953,075.81, 1,315,267.59 and 517,511.67 is: 714,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,075.81 : 1,315,267.59 = 517,511.67 : x
  2. Step 2: Convert to fraction form
    953,075.81/1,315,267.59 = 517,511.67/x
  3. Step 3: Cross multiply
    953,075.81x = 1,315,267.59 × 517,511.67
  4. Step 4: Simplify right side
    953,075.81x = 680,666,326,997.78
  5. Step 5: Solve for x
    x = 680,666,326,997.78/953,075.81
  6. Step 6: Final answer
    x = 714,178.58

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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.