Home / 977,098.20-1,465,647.30-346,075.80

Finding the Fourth Proportional to 977,098.20, 1,465,647.30 and 346,075.80

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Solution

The fourth proportional to 977,098.20, 1,465,647.30 and 346,075.80 is: 519,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,098.20 : 1,465,647.30 = 346,075.80 : x
  2. Step 2: Convert to fraction form
    977,098.20/1,465,647.30 = 346,075.80/x
  3. Step 3: Cross multiply
    977,098.20x = 1,465,647.30 × 346,075.80
  4. Step 4: Simplify right side
    977,098.20x = 507,225,061,865.34
  5. Step 5: Solve for x
    x = 507,225,061,865.34/977,098.20
  6. Step 6: Final answer
    x = 519,113.70

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Double scale
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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.