Home / 651,852.80-977,779.20-615,111.20

Finding the Fourth Proportional to 651,852.80, 977,779.20 and 615,111.20

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Solution

The fourth proportional to 651,852.80, 977,779.20 and 615,111.20 is: 922,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,852.80 : 977,779.20 = 615,111.20 : x
  2. Step 2: Convert to fraction form
    651,852.80/977,779.20 = 615,111.20/x
  3. Step 3: Cross multiply
    651,852.80x = 977,779.20 × 615,111.20
  4. Step 4: Simplify right side
    651,852.80x = 601,442,937,047.04
  5. Step 5: Solve for x
    x = 601,442,937,047.04/651,852.80
  6. Step 6: Final answer
    x = 922,666.80

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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.