Home / 1,013,717.52-1,398,779.70-615,688.82

Finding the Fourth Proportional to 1,013,717.52, 1,398,779.70 and 615,688.82

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Solution

The fourth proportional to 1,013,717.52, 1,398,779.70 and 615,688.82 is: 849,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,717.52 : 1,398,779.70 = 615,688.82 : x
  2. Step 2: Convert to fraction form
    1,013,717.52/1,398,779.70 = 615,688.82/x
  3. Step 3: Cross multiply
    1,013,717.52x = 1,398,779.70 × 615,688.82
  4. Step 4: Simplify right side
    1,013,717.52x = 861,213,026,429.90
  5. Step 5: Solve for x
    x = 861,213,026,429.90/1,013,717.52
  6. Step 6: Final answer
    x = 849,559.18

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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.